506 bulletin: museum of comparative zoology. 



tudinal line. Anterior ones large and conspicuous, decreasing moder- 

 ately caudad. 



Anal legs in male very strongly crassate; flattened dorso ventrally ; 

 femur thickest. Trochanter not quite half as long as prefemur which 

 is longer than the femur. Greatly exceeding the penult legs in length. 

 Densely clothed with very fine short hairs. 



Number of pairs of legs 149 (cf). 



Length about 115 mm. Greatest width 2.6 mm. Width of widest 

 dorsal plate 2 mm. 



Locality. — Haiti: Petionville, November, 1912 (W. M. Mann)". 

 Type, M. C. Z. 1718; one specimen. 



SOGONIDAE. 



Key to Genera of Sogonidae. 



A. Anal leg composed of but five articles distad of coxopleura. 



Timpina Chamberlin. 

 AA. Anal leg composed of six articles distad of the coxopleura. 

 B. Anal leg clawless; first maxillae with long lappets. 



SoGONA Chamberlin. 



BB. Anal leg ending in a well-developed claw; first maxillae 



without lappets Garrina, gen. nov. 



Garrina, gen. nov. 



Head small; with no distinct frontal suture. (Prebasal plate 

 exposed). Basal plate wide. 



Antennae with proximal articles more or less flattened, attenuated 

 and filiform distad. 



Labrum mesally convex and laterally concave as usual. 



First maxillae with palpus or outer process biarticulate; without 

 lappets. Inner branch showing trace of a suture mesally but across 

 most of branch to ectal side with no indication of separation. Coxae 

 fused at middle. Coxae of second maxillae weakly narrowly united at 

 middle. A deep narrow incision extending between them from an- 

 terior margin. Palpus of good size, triarticulate as usual, terminat- 

 ing in a well-developed, simple claw. 



Prehensors small, wholly unarmed. Largely covered in dorsal 

 view. Claws when closed not extending beyond front margin of head . 



Prosternum with chitinous lines strongly developed. 



