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Sea dogs are found in the seas of Liaodong and Dengzhou; they are also known as Phoca vitulina (seal). *Bencao Gangmu* records the use of "Tangna Qi" (the kidney of a seal) but does not mention the use of its oil, so this is supplemented here.

Li Jinshi from Penglai stated: At the port of Dengzhou, sea dog skins are exported, which can be made into fur coats and hats. Locals beautify its name as "Hai Long" (Sea Dragon), referring to this animal. Its kidneys serve as the medicinal "Tangna Qi". The locals call catching sea dogs "Da Gou" (Beating Dogs). This creature lurks at the bottom of the sea day and night, only coming ashore on islands during breeding season. Once the pups are slightly larger, they return to the water in groups, making them inaccessible to humans. Capture must occur during the extreme cold of winter when ice forms at the mouths of sea cliffs. On sunny days, herds of sea dogs come out to bask in the sun on the ice. One must wait until they lie down on the ice to sleep, then suddenly enter the water and strike their waists with wooden sticks to catch them. If the ice cracks or footsteps make noise, or if it is not their sleeping time, capture is impossible. However, many die by drowning each year due to falling into the water while hunting, as the profits are significant, and people do not hesitate to risk their lives.

The nature of sea dog oil is hot and descending. It is good at resolving fluid retention and treating turbid and rebellious Qi in the San Jiao (Triple Burner). It can clear cold accumulation and retained fluids in the Kidneys. Observing those near the coast who harvest abalone and sea cucumbers, they drop sea dog oil onto the sea surface, causing the seawater to become clear to the bottom, revealing all sand and stones. This demonstrates its property of promoting diuresis and separating fluids.

Recently, someone brought some from Guandong. The oil was green like dry paste. Applied to cracked skin and chilblains, it heals immediately and does not recur the following year, indicating its intensely hot nature.

*Jinshajiang Zhi* records: Produced in Dongchuan and Zhaotong prefectures, it has a stronger aroma than common musk. Wearing it wards off evil spirits, prevents nightmares, and stabilizes against fright.

The entry for Otter in *Bencao Gangmu* mentions that otter feces treat fish-umbilical sores and dysentery, but fails to note its efficacy in reducing tumors. This is now supplemented.

*Wang Shi Jian Mi* records: To reduce tumors, use one liang of otter feces, three qian of Arisaema cum Bile (Tian Nan Xing), and three qian of Moschus (She Xiang). Grind them together into powder, mix with vinegar, and apply topically. It will heal immediately.

*Benjing Fengyuan* states: Wild wolves have a nature of chasing wind and moving in reverse; thus, smoke from burning their feces rises against the wind. When burned to ash and taken with water, it treats bone-choking (fish bones stuck in the throat) because its nature is specifically reverse-moving without obstruction. For massaging with wild wolf fat to treat wind diseases, it is the first choice, yet it is not recorded in herbal texts, which is an oversight. Note: *Zhou Li* records presenting wild wolves in winter to collect their accumulated fat. *Nei Ze* records eating wild wolf meat after removing the intestines, indicating ancients considered it food. In the Beast section under "Wild Wolf Fat," Li Shizhen only relied on *Yinshan Zhengyao* to record that it moistens dryness and nourishes the skin, treating malignant sores. He did not know its major function is to dispel wind and scatter rebellious and knotted Qi. How can this be ignored? Therefore, it is urgently supplemented.

When added to Wind-Qi Ointment, it removes long-standing wind-bi (painful obstruction syndrome caused by wind-cold-dampness). Taken with wine, it disperses rebellious and knotted Qi.