A. E. Verrill — North American Cephalopods. 08 7 



changed in order to admit it into either of his groups. The existence 

 of eight rows of suckers in '•Illex' seems to be due merely to the crowd- 

 ing together of the ordinary four rows ; nor can we attach much im- 

 portance to the superficial furrows in the siphon-groove. Therefore, 

 my own opinion still is that Illex and Todarodes should be reunited, 

 and should retain the name Omrnastrephes, in a restricted sense. 

 The absence of connective suckers and tubercles on the tentacular 

 arms will be the most important diagnostic character to distinguish 

 it from Sthenoteuthis and Architeuthis. 



In this paper, Professor Steenstrup gives figures (cuts) which, with 

 the descriptive remarks, will, at last, enable others to identify his S. 

 pteropus with more certainty. He has given diagramatic cuts of the 

 base of the tentacular clubs, showing the arrangement of the con- 

 nective suckers and tubercles of S. pteropus, S. Bartramii, S. gigas, 

 S. pelagicus, S. oualaniensis, and Dosidicus Eschrichtii [p. 11], and 

 cuts [p. 9], showing the siphonal grooves of k^thenoteuthh pteropus, S. 

 Bartramii, S. pacificus, Ommastrephes sagittatus {■=.'■'■ 0. todarus''') , 

 and 0. Coindetii (="0. sagittatus^'' auth.). On pp. 19 and 20 he 

 has given a synoptical table of the several genera that he recognizes 

 in this group, wliich he names, Ommatostephini (= Ommastrephidm 

 Gill, Tryon, Verrill). On plate 3, he figures '■'•Illex Coindetii,'''' fe- 

 male, with the gill-cavity opened, showing a large cluster of sperma- 

 tophoi'es attached to the inner surface of the mantle, behind the base 

 of the gill, and a smaller one, in front of the gill. 



In the second article referred to, Professor Steenstrup discusses 

 the genus Sthenoteuthis versus " Ormno.tostrephes.'''' He recognizes 

 the identity of Sthenoteuthis and his restricted genus Oniniato- 

 strephes, as well as the priority of date of the former. He also refers 

 to S. megaptera, as " Omniatostrephes megaptera?'' 



Lestoteuthis^ Cheloteuthis^= Go?iatus Steenst. (non Giay). 



The second of Professor Steenstrup's papers contains a detailed 

 discussion of Gonatns Fahricii Steenst., with which he also unites 

 Onychoteuthis Kamtschatica Midd., the type-species of my genus 

 lestoteuthis (see p. 250). He may be correct in uniting these 

 forms, for he states that he has received specimens that agree with 

 Gonatus Fahricii, from the North Pacific* Moreover, taking the 

 characters of the genus Gonatus, as noio understood, by Professor 



* Tlie figures, however, show differences in the form of the pen and caudal flj| 

 which, if correct, may still indicate specific differences. 

 Trans. Conn. Acad., Vol V. 46 Octobek, U 



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