444 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



o. = Ovum. 



o.' — Ovules. 



oc. = Eyes. 



od. = Oviduct. 



oes. = Oesophagus. 



o.n. — Branches of optic nerve. 



op. -n. = Optic nerve. 



o.sf. = Ostium. 



oi'. = Ovary. 



o. w. = Ovarian wall. 



p. = Pigment. 



p. a. o. = Post-antennal organ. 



pc. o. — Precephalic organ. 



per. oes. a. = Peri -oesophageal 

 aorta. 



ph. — Pharynx. 



p.i. = Protoplasmic island in 

 which female pro-nucleus is 

 present. 



pi. = Side fold of head. 



p. I. = Peripheral layer of proto- 

 plasm. 



plm. — Coagulated blood plasma. 



pip. — Maxillary palp. 



p. o. n. = Nerve to post-antennal 

 organ. 



pre. = Protocerebrum. 



pr' ceb. = Protocerebron. 



ps. — Pseudopodium. 



r. = Protoplasmic strands. 



r. nuc. — Nucleus of fat body. 



rep. ap. = Reproductive aper- 

 ture. 



ret. = Retinal cell. 



ret. 1. = Layer of fat body border- 

 ing on hypodermis. 



ret. muse. = Retractor muscles of 

 ventral tube. 



s = Blood containing space. 



scrp. = Sarcoplasm. 



sec. = Secretion of gland. 



s.g. = Secretory granules 



s. gl. = Salivary gland. 



slmma. = Sarcolemma. 



s. o. = Sense organ. 



s.' o.' = Possible rudimentary 

 sense organs. 



sp. = Cavity formed by breaking 

 down of central cells of fat 

 body. 



spr. = Bunches of spermatozoa. 



st. = Stipes. 



str. p. = Striated portion of 

 muscle fibre. 



sup. oes. g. = Brain. 



sup. oes. m. = Anterior series of 

 dilatores pharyncrii muscles. 



sut. = Suture. 



t. 1 ' :s 6 = Abdominal sterna. 



tent. = Tentorium. 



t. f. = Terminal filament. 



th. = Thorax. 



thJ— 3 = Pro- meso- and meta- 

 thorax. 



th. app?^ A = Thoracic appen- 

 dages. 



th. g. 1 ~ 3 = Pro- meso- and meta- 

 thoracic gangha. 



t, p. = Tunica propria. 



tr. apjp. = Tritocerebral -^ppen- 



trc. = Tritocerebrum. 



tr' ceb. = Tritocerebron. 



t. s. = Substance of testis. 



t. s. muse. = Tergo- sternal 



muscles. 

 t. w. = Wall of testis. 

 vacs. = Vacuoles. 

 vag. = Vagina. 

 valve c. m. — Pyloric valve. 

 v. c. — Nutritive cells. 

 v. c. — Epithelial layer of vagina. 

 v. g. — Ventral groove. 

 v. m. — Traasverse muscle. 

 vs. — Terminal vesicles of ventral 



tube. 

 v. (. = Ventral tube. 

 w. = Connective tissue coat of 



heart, 

 x = Organ of unknown function. 

 y. - Yolk 

 if. c. = Yolk cells. 



