490 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



r. br. — Roof of the pre-branchial chamber. 

 ret. — Cells of the retinula. 

 rhab. — Rhabdome. 

 rost. — Rostrum. 



flfi. S 19 . —Sterna of somites 1 to 19. 



s. a 1 . — Socket of first antenna. 



s. a 2 . — Socket of second antenna. 



sa. art. — Superior abdominal artery. 



s. amp. — Supra-ampullary wall of the pyloric region of the fore-gut. 



sal. g. — Salivary (oesophageal) glands. 



s. art. — Sternal artery. 



sb. — Striated border of the cell. 



staph. — Scaphognathite. 



s. ch. — Blood sinus from the chela. 



s. dt. — Subdentary ossicle. 



s. h., s. hr. — Sub-hepatic region of carapace. 



s. I. — Supraciliary lobe. 



s. lb. — Supra-hepatic lobe of the bladder. 



s. mx. 2. — Blood sinus from the second maxillipede. 



s. mx. 3. — Blood sinus from the third maxillipede. 



s- Pi. — s. P. 4. — Blood sinus from the walking legs 1 to 4. 



sp. a. — Frontal spine. 



sp. d. — Dorsal spine. 



sp. I. — Lateral spine. 



spt. — Spermatheca. 



st. — Stalk of the egg attached to the seta of the endopodite. 



st. g. — Stomatogastric ganglion. 



st. i. — Inferior root of the stomatogastric nerve. 



st. n. — Stomatogastric nerve. 



st. s. — Superior root of the stomatogastric nerve. 



t. e. ex. — Tendon of the extensor muscle of the exopodite. 



tel. — Telson. 



tsst— Testis. 



t. ex. ab. — Tendon of the external abductor muscle of the mandible. 



t. ex. ad. — Tendon of the external adductor muscle of the mandible. 



t. ex. M. — Tendon of the extensor muscle of the meropodite. 



t. f. ex. — Tendon of the flexor muscle of the exopodite. 



t. g., t. gm. — Ventral thoracic nerve mass. 



t. int. ad. — Tendon of the internal adductor muscle of the mandible. 



t. n. — Tegumentary nerve. 



tu. — Renal tubule of the labyrinth. 



u. c. — Urocardiac ossicle. 

 up. f. — Uropyloric fold. 

 u. py. — Uropyloric ossicle. 



v. — Globules in the epithelial cells of the mid-gut. 



vol. — Pyloric valves. 



v. d. — Vas deferens. 



v. ex. C. — Tendon of the ventral extensor muscle of the coxopodite. 



v. f. ex. — Ventral flexor muscle of the exopodite. 



vit. — Vitrella (cells of the ommatidium). 



v. m. — Egg membranes. 



v. oe. g. — Ventral oesophageal cutaneous glands. 



y. c. — Young cells of the tubules of the digestive gland. 

 y. gr. — Yolk granules. 



z. c. — Zygocardiac ossicle. 



