ISOPODS OF NORTH AMERICA. 



657 



Fl(}. 698.— PSEUDAKMADILLO 



GiLLiANL's. Lateral 



VIEW OF ABDOMEN. X 5. 



veiy large, trianguhir in shape, the basul joint of either iiropod meeting 

 in the median line at the upper inner angle. From this angle the inner 

 branches of the uropoda extend in tlie form of narrow elongate 

 processes, broader at the apex than at the base and not quite reaching 

 the posterior extremity of the terminal ab(h)mi- 

 nal segincMit. 



A single specimen, a female, was collected by 



Messrs. Palmer and Riley in Nueva Gerona, Isla 



de Pinos, C\iba, July 1(>. 19(»0. 



Type.— Cat. No. 25694, U.S.N.Al. 



This species differs from the type species of 



the genus, Pseufhtrviad/'llo cdrinnhitHs Saussure," 



in the presence of two longitudinal rows of long stout spines on the 

 thorax, a row on either side of the median line halfway between 

 that and the lateral margin, while in the description of P. carhrulatus 



onl}^ two tubercles (not spines) are mentioned 

 as being present on the thorax, the last thoracic 

 segment alone being armed with two large tri- 

 angularly shaped (triquetres) tubercles; in the 

 absence of the longitudinal carina?, mentioned 

 in the description of P. cdrlnulatus as being 

 present on the lateral parts of the thoracic seg- 

 ments and the third abdominal segment; in the 

 presence of a large spine on the fifth al)dominal segment in the (nedian 

 line, which is represented in /''. (■(n'tiinlatas b}" a strong tubercle, and 

 in the presence of e3'es, which are wholly wanting in P. carinulatm.^ 

 Named for Dr. Theodore Gill, the eminent naturalist. 



Fig. 699.— Pseudarmadillo gil- 

 LiANus. Abdomen and uro- 

 poda (underside). X 9|. 



PSEUDARMADILLO DOLLFUSI, new species. 



Body ovate, about twice as long as wide, 5 nun. : 10 nuu. 



Head two and a half times wider than long, 1 mm. : 2^ nun., with the 

 anterior margin produced into three lobes, one median lobe, which is 

 truncate and broad, and two smaller lateral lobes, which are rounded. 

 The eyes are small, round, composite, and distinct, and situated close 

 to the lateral margins. The head is covered with tubercles, of which 

 there is a prominent line on the posterior margin. The first pair of 

 antenna^ are incons])icuous; the second pair have the first article short, 

 the second twice as long as the first; the third and fourth are sid3equal 

 and each is a litth^ shorter than the second: the fifth is nearly twice as 

 long as the fourth. The tlagellum is composed of two articles, the first 

 of which is one-third as lonp- as the second. 



«Mem. de la Soc. de Physique et d'Histoire Naturelle de Geneve, XIV, 1858, p. 

 488-485, pi. V, fig. 43. 



''Budde-Lund nays tliat Pxi'iKlnniutdi/fd '■(U'linihilns h-At^eyv^, and that Sauspure was 

 in error when he desuribed the spucies as hcinu' without uyes. 

 L\s.-isy— 05 42 



