味酸，温，微寒，无毒。主气癃，不得小便，妇人月闭，血瘕，痫 ，寒热，利水道。
一名负燔，一名KT ，一
名KT 。生魏郡平谷及人家地上，五月五日取。
一名鼠负，言鼠多在坎中，背则负之，今作妇字，如似乖理。又一名鼠姑。
味辛，微温，无毒。主明目，小儿火疮，伤热气，蛊毒，鬼疰，通神精。一名夜光，一
名放光，一名熠耀，一名即
照。生阶地池泽。七月七日取，阴干。
此是腐草及烂竹根所化，初犹未如虫，腹下以有光，数日便变而能飞。方术家捕取内酒
中，令死乃干之，俗药用之
亦稀。
味咸，温，无毒。主妇人疝瘕，小便不利，小儿中风项强背起，摩之，又疗淋，堕胎，
涂
。生咸阳平泽。
衣中乃有，而不可常得，多在书中。亦可疗小儿淋闭，以摩脐及小腹，即溺通也。
味咸，寒、大寒，无毒。主蛇瘕，去三虫，伏尸，鬼疰，蛊毒，杀长虫，仍自化作水，
疗伤寒伏热，狂谬，大腹，
黄胆。一名土龙。生平土，三月采，阴干。
白颈是其老者尔，取破去土，盐之，日曝，须臾成水，道术多用之。温病大热狂言，饮
其汁皆瘥，与黄龙汤疗同也。
其屎，呼为蚓蝼，食细土无沙石，入合丹泥釜用。若服此干蚓，应
〔谨案〕《别录》云∶盐沾
为汁，疗耳聋。盐消蛔，功同蚯蚓。
其屎，封狂犬伤毒，出犬毛，神效。
Taste: Sour. Nature: Warm, slightly cold. Non-toxic. It primarily treats Qi Long (obstruction of Qi leading to urinary retention), inability to urinate, amenorrhea in women, blood masses (abdominal masses), epilepsy, alternating chills and fever, and promotes the flow of water passages.
Also known as Fu Fan, also known as KT, also known as KT. It grows on the ground in Pinggu, Wei Commandery, and in households. It is collected on the fifth day of the fifth lunar month.
Also known as Shu Fu, implying that rats are often in the Kan (water/trap) position, carrying it on their backs; the current character "Fu" (woman) seems inconsistent with reason. Also known as Shu Gu.
Taste: Pungent. Nature: Slightly warm. Non-toxic. It primarily benefits vision, treats infant fire sores, heat injury from hot pathogens, gu poison, Gui Zhu (a contagious chronic wasting disease), and enhances spiritual clarity. Also known as Ye Guang, also known as Fang Guang, also known as Yi Yao, also known as Ji Zhao. It grows in terraced fields and pools/marshes. It is collected on the seventh day of the seventh lunar month and dried in the shade.
It is transformed from rotting grass and rotten bamboo roots. Initially, it does not yet resemble an insect, but has light under its abdomen. After a few days, it transforms and can fly. Practitioners of arts capture it, place it in wine, let it die, then dry it. It is rarely used by common physicians.
Taste: Salty. Nature: Warm. Non-toxic. It primarily treats hernia and abdominal masses in women, difficulty in urination, infant wind-stroke with neck stiffness and back arching (when massaged), also treats strangury, induces abortion, and is applied topically [text missing]. It grows in flat marshes of Xianyang.
It may be found in clothes, but is not always available, often found in books. It can also treat infant strangury and retention; when massaged onto the umbilicus and lower abdomen, urination becomes unblocked.
Taste: Salty. Nature: Cold, greatly cold. Non-toxic. It primarily treats snake masses, expels the three parasites, Fu Shi (hidden corpses/deadly internal diseases), Gui Zhu, gu poison, kills large worms, and dissolves itself into water. It treats latent heat in Shanghan (cold damage), mania, abdominal distension, and jaundice. Also known as Tu Long. It grows in ordinary soil, harvested in the third lunar month, and dried in the shade.
The white-necked variety is the older one. Take it, break it open, remove the soil, salt it, sun-dry it, and it quickly turns into water. Daoist practitioners use it frequently. For warm diseases with high fever and delirious speech, drinking its juice cures all conditions, similar to the treatment with Huanglong Tang.
Its excrement is called Yin Lou. It eats fine soil without sand or stones, and is used in making alchemical clay pots. If this dried earthworm is taken orally, it should [text missing].
[Note]: The *Bie Lu* states: Salt moistened into juice treats deafness. Salt dissolves roundworms, with efficacy similar to earthworms.
Its excrement, applied to seal rabies wounds, draws out dog hair, with miraculous efficacy.