GENERAL ANATOMY OF THE SQUID. 



351 



3. The third division, or vas efferens (Fig. 182, c), is a 

 long, straight, thin-walled tube, which passes backwards 

 to open into the posterior end of the fourth division. 



4. This is the &per- 

 matoplioric receptacle. 

 It is much larger and 

 longer than any of the 

 other regions, and it 

 may again be divided 

 into a distal portion 

 Qx penis (Figs. 182, a, 

 177,??, 178, c, 179, e), 

 with thick, muscular 

 walls, and an enlarofed 

 proximal portion or 

 spermatophoric pouch 

 (Fig. 182, 6), with 

 thin transparent walls, 

 inside which the longr 

 white thread-like sper- 

 matophores may usu- 

 ally be seen. 



Fig. 183. —Female re- 

 productive organs of Loligo 

 vulgaris. (From Brock, 

 Taf. 11, Fig. 20.) Drawn 

 by S. Gannan. 



a. Mantle. 6. Gills. 

 c. Siphon. d. Ink bag. 

 e. Blind sac of stomach, 

 turned to one side. g. Gland 

 of oviduct. A. Terminal jwr- 

 tion of oviduct, od. Folded 

 transparent portion of ovi- 

 duct. 0. Ovari". Fig. 183. 



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