CEPHALOPODA .MASSY. 



Tin- hectoeotylus is broad ;iin 



' 



ducts, the internal walls of which are longitudinally ridged throughout. Specimen (' 

 (Fig. 12) has a very small genital gland, ami enormous sperms ready for exclusion 

 are packed in the spermatophore-sac: one of these (Fig. I-'!), which was found loose 

 in the mantle-cavity, measures so mm. in length. 

 thick. Specimens A and I! have each about nine 

 transverse grooves in the hollow part, ami specimen 

 (' has only four. B has also a distinct longitudinal 

 ridge, absent in the other specimens. The sperm- 

 canal is well developed. The digestive system 

 (Fig. 14) seems to resemble in all its main features 

 that of .]/. i-ii-ri>*it figured by Isgood ('09, pi. 4. 

 tin. 17). The intestine usually appears thicker, and 



the ink-sac smaller, in .I/. 



i-liiin-iiti, but the shape of 



these must depend largely 



on whether they ha\e 



been recently emptied. Fia. 14. J/<.7,,v,.v -7,,i,, ,//, alimentary 



The anterior vena cava. 



the lateral venae cavae, 



with their venous append- 

 ages and branchial hearts, 



are placed as in Isgood's 



illustration ('09, pi. VII, 

 tig. ,">2) of the same in M. cirrosa. The size of the liver in specimen A is about 2C> 

 by 24 mm., and 20 mm. in diameter; the stomach is about 13 by 9 mm.; the 



13,Moschites 



a spennatophore, X 2. 



canal, | natural size. n.,Anus: .*.<//.. 

 anterior salivary glands ; /;.. luiccal 

 mass: <-r., crop; Int., intestine : !.., 

 ink-sac ; L., liver : tn., mouth : <>rx., 

 oesophagus ; ji.x.yl., posterior salivary 

 glands : x^i.,-., spiral caecum ; */., 

 stomach. 



Fi<;. ].">. MoscJiites cJiarcoti, radala,, x 38. 



spiral caecum about In b\- j mm. : and the branchial hearts measure about '.) mm. 

 in length ami breadth. The mandibles (Fig. Hi) call for no special remark. The 

 radula (Fig. I ."> ) of specimen A contains about 120 rows of teeth, and measures about 



