ISOPODS OF NORTH AMERICA. 



Ill 



spine at the outer distal end, two spines on the ischium, with a long 

 spine at the outer distal extremity. 



The specimen described is a very small one. The larcrer specimens 

 have a greater number of spines on the terminal abdominal segment. 

 The number of spines varies from sixteen to twenty-six, twenty to 

 twenty-two being the average number. 



Fig. 92.— Cikolana harfordi (After Hansen), a, Dorsal view of female. 6, Anterior part 

 OF head, c, Fifth leg. d, Seventh leg. e, Lateral view of female. /, Posterior part of 

 ABDOMEN, g, Second leg. (Enlarged.) 



CIROLANA PARVA Hansen. 



Oirolana parva Hansen, Vidensk. Selsk. Skr. (6), V, 1890, pp. 340-341, pi. ii, 

 figs. 6-6b; pi. Ill, figs. 1-ld. — Richardson, American Naturalist, XXXIV, 

 1900, p. 217; Proc. U. S. Nat. Mus., XXIII, 1901, p. 514.— Moore, Bull. 

 U. S. Fish Coinm., XX, Pt. 2, 1902, p. 167, pi. viii, figs. 6-8. 



Localities. — Key West, Florida; Gulf of Mexico; St. Thomas, West 

 Indies; St. Croix, West Indies; between the delta of the Mississippi 

 and Cedar Keys, Florida; Andros Island, Bahamas; between Nassau 

 and Andros, Bahamas; Georgetown, Bahamas. 



Depth.— 'ib-Ti fathoms. 



Among alga.% l)elow low tide; banks, low tide. 



Body compact, o}>long-ovate, nearly three times longer than wide, 

 ?i nun. : 8 mm. 



Head wider than long, 1 nmi. :2 mm., with the anterior margin 

 widely rounded and produced in a small median point, which arches 

 over the anteniui? to meet the frontal lamina on the other side. The 

 eyes are small, round, composed of many ocelli, and situated in the 



