ARTHROPOD FAUNA OF THE WEST INDIES. 493 



Ehinocricfs MACROPirs, sp. n. (PI. XXXVIII. figs. 3-3 d.) 



$ . Colour almost black, or a deep brownisli black, tinted 

 with olive-green ; legs green or piceous, with, the tarsal segment 

 ferruginous. 



Head smooth, obsoletely transversely striolate or wrinkled ; 

 the sulcus interrupted in several places ; two labral pores 

 on each side. Antennce reaching the hinder border of the 

 collum, about as long as the face. Eyes separated by a space 

 that is about equal to two diameters, composed of about 83 

 ocelli arranged in about six transverse rows. Collum smooth, 

 evenly rounded laterally, and not extending so low as the second 

 tergite, with a marginal sulcus. Second tergite flat beneath, 

 with the rest of the somites smooth above, the posterior half 

 polished and elevated. The transverse sulcus has the form of 

 a shallow groove. The pores minute, situated just in front of 

 the sulcus. The striae extending up to the pore, and,' in the 

 anterior segments, from the pore a transverse stria extends over 

 the dorsum in front of the transverse sulcus. Scohina present 

 but very small, extending to about the 35th segment. Sterna 

 transversely striolate. Anal somite small, the tergite produced 

 into a wide, long, angular caudal process, which far surpasses 

 the valves. Valves with margins lightly compressed. Sternite 

 triangular. Legs very long and slender, with a single seta on 

 the lower edge of each segment. 



S . A little slenderer than the female. The anterior legs 

 swollen and padded beneath, the coxse produced and the tro- 

 chanter bearing a distinct tubercle at its distal end. The 

 gnathochilarium with a conspicuous tubercle on each side near 

 its free edge. 



Copulatory feet as in fig. 3 d. 



Number of segments 50-51. 



$ . Length about 93 mm., width 8"8 mm, 



cJ . „ „ 88 mm., „ 8'0 mm. 



Locality. St. Vincent (jS". H. Smith). " Pretty common in the 

 mountain forest, up to 2000-3000 ft." 



E-HiNOCRicus ARBOREUS, Sauss. Linn. Ent. xiii. p. 331 (1859) ; 

 Mem. Mex., Myriop. p. 98, pi. iv. fig. 28. (PL XXXVIII. fig. 4.) 



This species is very closely related to the preceding in the 

 length of its legs, small scobina, long wide tail, size, colouring, &c. 

 It may be recognized, however, by the form of its copulatory 



