KA IV 



tly with Bonnier Bui the differences in various minor features 



tion 01 figun anj spine on the uppei -mi a. e >>i the free thora< ic segments, 



gments are "inermes"; in my two largesl specimens the last thoi 



median dorsal denticle, and some small d< nti< li are] I on the uppei side <>i the 



e two, anterior abdominal segments. 2) ' ta tin- distal joints in firsl pail "i lej ■ Bonnier 



"le il lite, mi peu plus long que le propodite", and tliis agrees with In- fig. 2 »/. 1 »vi t in tin- single 



i in my specimens the dactylus, measured by micrometer, is a little shortei than tin- propodus; 



it may be added that in Sars Account the dactylus in tin- forms belonging to this family i- never longei ami 



|uently distinctly >>i considerably shorter than the propodus, and therefore I Mi]i|m-.c thai Bonnier's 



ment is due t<> a casual variation or anomaly in his specimen. 3) In one of my specimens the telson has 



1 minute teeth on the proximal thud "i tin- lateral margin, hut in the other specimen such teeth are 



discernible; in Bonnier's figure the telson ha- no lateral teeth. 4) Finally the French author says 



that tin.- peduncle <>t the uropods ha- 7 spines on the distal halt' of the inner margin, hut in a specimen I found 



mi that niacin i 3 "i 1 | small spines -nine of spines are Inst . hut their places <>| insertion distinct : (the rami 



are unfortunately mutilated or losl in my specimens) The differences pointed out between Bonnier's 



representation and my animals are scarcely <>i specific value, hut onbj variation. 



Occurrence Not taken by the "Ingolf", hut by the "Thor" at a single station. 

 South-West of the Faeroes I. at . 6i [5'N., Long. Q°35' W., 463 sis lath, 3 specimens 

 Distribution. The type was taken in the l'.a\ oi Biscay: I. at. 44 \6' N., lam-. | 25' W., .',45 

 fath. (Bonnii 



57. Diastylis armata Norman. 



.lis armata Norman. Ann. Mag. Nat. Ili-t. Ser. s. Vol. III. p. 64. 

 uniuitits Stebbing, Das Tierreich, 39. Lief. p. 95. 



this e\4dently rather characteristic species only the type specimen is known. 

 urrence. The single specimen was taken by the "Valorous" at the entrance ol Davis Strait, 

 N Long 5o°25' W., 1750 lath (Norman). 



Makrocylindrus Stebbing. 



This Wished in [912, and M. fragilis Stebb. from off (.'ape Natal may he con- 



The only distinctive character between Wakrocylindi us and some spe< ies "i Diastylis 



the telson ha- no lateral spines on the narrow and rather shorl distal part, hut only the normal two 



ram Stebbing tion oi 1/ fragilis Zimmer points oul another and more important 



rkable reduction oi the basal fan oi second maxillipeds in adult female-. 



■ known whethei this reduction 1- found in females of the other forms 



