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Nowadays, people call it "bò jī chóng" (winnowing basket insect) because of its shape resembling a winnowing basket. For conditions where milk flow is obstructed, grind one specimen, add half a *hé* (a traditional Chinese unit of volume) of water, filter the clear liquid, and administer orally. The patient should not be informed of what they are taking.

This insect is found under rotting tree roots. Since the sap of the *Celtis sinensis* (Chinese hackberry) tree is sweet, many such insects exist beneath its roots, often leaving the trunk itself imperfect. Some also grow in manure-rich soil; although these may appear plump, their abdomens are blackish, unlike those from wood, which are slender but slightly whiter. Grind the fresh insect, extract juice by pressing with water, filter, and drink to promote lactation.

*Kuò yú* (slug) and *wō niú* (snail) are two distinct entities. The body flesh of the *kuò yú* consists of a single segment. In contrast, the *wō niú* has additional flesh on its back used to carry its shell while moving, clearly indicating a difference. If they were the same species, how could medical classics list them as separate entries? Their therapeutic effects are largely similar, yet classification distinguishes them. It is baseless to claim that the *kuò yú* is merely an aged *wō niú*. The *kuò yú* has two horns, whereas the *wō niú* has four, plus dorsal flesh attached to the shell; thus, they cannot be considered identical.

The descriptions by Chen Cangqi and Ri Huazi are comprehensive. The larger variety is known in the capital as *mǎ biē* (horse leech). Those with yellow abdomens are called *mǎ huáng* (yellow horse). They fear salt, yet they are effective in treating traumatic injuries. Neither the classic texts nor commentaries mention processing methods; careful attention is required and negligence is inadvisable. Currently, people use specimens that have been stir-fried.

Specimens with nine ribs are superior. Cooked ones are inferior to fresh ones; they should be roasted with strong vinegar until yellow before use. The classics do not mention treating consumptive diseases (*láo*), but the *Shu Ben Yao Xing Lun* states it treats "consumptive emaciation and eliminates bone-steaming heat." Later practitioners adopted this usage, which is well-founded, though dosage must not be excessive. Blood from the head applied topically treats rectal prolapse. Additionally, ash from burnt heads is also effective.

Dried cuttlefish is placed for storage and roasted for consumption across various regions. Its bones are often carved into fine shapes. After grinding finely, process via water levigation, allow sedimentation, remove supernatant, and sun-dry. Mix appropriately with refined honey, apply to the eyes to treat corneal opacity (*yì*), yielding gradual results.

*Yī fāng luò* is rare nowadays; most come from the capital, which sources them from Hebei. Hebei border areas such as Cangzhou and Yingzhou produce abundant quantities. Xuzhou also produces them, but quality is inferior to Hebei's. For infant cranial suture dehiscence (*jiě lú*), crush claws together with *Baiji* (Rhizoma Polygonati Odorati), and apply to the fontanelle to promote closure. This substance easily agitates wind; individuals with wind-related disorders should avoid consuming it, as numerous adverse cases have been observed. People in Hebei catch them during August or September when crabs emerge from mud, waiting at pond banks to collect them upon surfacing. Alternatively, they are caught at night using lantern light. At this time, the shells are filled with yellow and white roe. They can survive for over ten days in storage without eating. Like cicadas shedding their skins, this creature molts around late summer and early autumn. The name "crab" likely derives from this molting characteristic.