262 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



r. pi. vise. conn. = Right pleuro- 

 visceral connective. 



r. post. ped. a. = Right posterior 

 pedal artery. 



r. sal. d. = Right salivary duct. 



r. sal. n. = Nerve to right salivary 

 gland. 



rad. .= Radula. 



rad. a. = Radular artery. 



rad. n. = Radular nerve (Fl). 



rad. s. = Radular sac. 



reel. = Rectum. 



ren. n. = Renal nerve. 



ren. mant. sin. = Sinus to kidney 

 from mantle. 



ren. p. = Renal pore. 



ren. peri. sin. = Sinus to kidney 

 from roof of pericardium. 



ren. s. = kidney. 



ren. sin. = Main renal sinus. 



ret. mant. = Retractor muscle of vis- 

 ceral hump. 

 ret. pn. = Retractor penis muscle. 

 rh. = Rhinophore. 

 rh. a. = Artery to rhinophore. 

 rh. n. = Nerve to rhinophore (A3). 

 ros. = Rostrum of shell. 



s. hep. a. = Superficial hepatic 

 artery. 



sal. ap. = Aperture of salivary duct 



(left). 

 sern. gr. = External seminal groove. 



sem. gr. a. = Artery to seminal 

 groove. 



sh. = Shell. 



sh. ap. = Shell aperture in mantle. 



sh. f. = Shell forming region of 

 mantle. 



sin. 1 = Sinus from left anterior 

 body wall. 



sin. 2 = Sinus from left anterior 

 portion of haemocoele. 



sin. 3 = Sinus from posterior portion 

 of haemocoele. 



sin. 4 = Sinus from right body wall. 



sin: 5 = Sinus from anterior portion 

 of haemocoele. 



spct. = Spermatocyst. 



spth. = Spermatheca. 



spth. a. = Artery to spermatheca. 



spth. d. = Duct of spermatheca. 



spth. n. = Spermathecal nerve (D4). 



stom. = Stomach. 



sup. ped. gl. = Supra-pedal gland. 



t. m. o. = Transverse muscles of 

 odontophore. 



teg. n. 1 = Anterior tegumentary 

 nerve (Al). 



teg. n. 2 = Tegumentary nerve (A5). 



teg. n. 3 = Tegumentary nerve (Bl ). 



teg. n. 4 = Tegumentary nerve (B2), 

 left side only. 



teg. n. 1 = Tegmentary nerve (C5). 



vag. = Vaginal portion of large her- 

 maphrodite duct. 



vag. p. = Vaginal pocket for tip of 

 penis. 



vpntr. = Ventricle. 



vise. g. = Visceral ganglion. 



vul.'n. = Vulvar nerve (Dl). 



wind. gl. = Convoluted portion of 

 mucous gland. 



