NOTES ON THE CEP] I.U.Ol'ODA. 



367 



Penis slender, slightly tapering caudad, mostly curved in a C-like and 

 rarely in a 6-like manner ; Needham's sac joins it near the anterior end. 

 General shape of vas deferens in situ oblong, flattened a little, with the long 

 axis transversely directed ; Needham's sac running over and obliquely 

 across spermatophoric and accessory glands ; when full of spermatophores 

 the sac is greatly enlarged, acquiring an S-like shape ; spermiduct com- 

 paratively short and thick. Spermatophore slender, 9c- 105 mm. long ; 

 its spermatic part 35-40 mm. long, containing 1 10-120 coils of sperm cord. 



Four males obtained from Prov. Rikuzen in the Sci. Coll., Tokyo. 



Polyims conisptid ieetts sp. nov. 



Adult large, attaining about 1 m. in total length ; skin nearly smooth, 

 possessing only a few warts around the head, and a single cirrus above each 

 eye. Head about half as wide as body. Funnel organ composed of two 

 V-shaped pads. 



Arms thick, about thrice as long as head and body taken together, 

 uniform but the ventral pair a little shorter than the rest. Suckers com- 

 paratively small, somewhat sparsely set in double alternate series, except 

 the three at base which are almost uniserial. 



Right third arm prominently hectocotylized, about l / s shorter than the 

 left third ; suckers in the normal part in 26-29 transverse series ; the hecto- 

 cotylized part conspicuous, Vj _ Vn as ^ on S as trie entire arm, typically 

 conical, thick at base, with a deep but narrow longitudinal groove. 



Branchial leaflets number 20-24 in each gill. 



Penis straight, subfusiform, about 30 mm. long in the adult ; Needham's 

 sac joins it in front of the middle. Spermatophore 1 10-140 mm. long ; its 

 spermatic part 40-60 mm. long, containing 46-63 coils of sperm cord. 

 Oviduct terminates at a point far posterior to anus ; ripe ovarial ova 30 mm. 

 long. 



Numerous specimens purchased in the Sapporo market and preserved 

 in the Agric. Coll., Sapporo. 



