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l-'Ki. 623. Triton rubicundus. Dissection of the internal orpins of a female, viewed from 

 the dorsal side. The roof of the mantle-cavity has been divided by a longitudinal incision 

 and The Haps laid out, that on the left bearing the ctenicliuin and osphradium, and that 

 on the right the rectum and terminal part of the oviduct. The muscular dorsal wall of 

 the body and the introvert have hern divided so ;is to bring into vje\v the anterior part of 

 the alimentary canal and a portion of the nervous system. The buccal cavity has hem 

 tilted up and opened so as to show the odontophore, and the (esophagus (IMS lieen cut 

 through near the anterior end. A portion of the ventral wall of the crop has been re- 

 moved so as to bring the internal folds into view, and the interior of the nephridiiim with 

 the contained portion of the intestine has been exposed. Stf. The complete conr-e 

 of the intestine through the nephridiiim is not shown: the .-tomach is not seen, being 

 hidden by the nephridiiim, and the ovary is not represented, an. anus ; ant. aort. anterior 

 aorta; aur. auricle; buc. biiecal cavity; a /-. Imc. run. cei-i-bro-i>uecal connective; cur. g. 

 cerebral ganglia ; crop, crop ; ctrii. ctenidiin:i : int. intestine ;j/t/r. jaw ; /. bin-, i/. left buccal 

 ganglion ; 1. sal. glAdt salivary gland ; >K']I/I. kidney : /'/<//. n/i. renal aperture ; od. odonto- 

 phore ; ces. oesophagus ; ces'. anterior end of same, cut and turned aside ; osplt. osphradium ; 

 m'id. oviduct : uci't', terminal thick-walled portion of oviduct ; plcur. g. pleural ganglion ; 

 post. aort. posterior aorta : post. ces. posterior oesophagus ; rad. s. radula sac ; rect. rectum ; 

 r. sal. gl. right salivary gland ; sal. du. salivary duct ; sipfi. siphon ; supra, g. supra-ceso- 

 phageal visceral ganglion ; tent, tentacle ; vent, ventricle. 



