OXACIS. 157 
testaceous or fusco-testaceous, moderately stout, thickly pilose, joint 3 shorter than 1, 11 unemarginate ; 
prothorax rather longer than broad, the sides moderately rounded anteriorly and gradually converging 
behind, the disc depressed in the middle before the base, and with a rather large depression on each side 
anteriorly, the base emarginate in the centre, the surface coarsely, closely, and irregularly punctured ; 
elytra closely and rather coarsely punctured, and with two raised lines or coste on the disc extending from 
the base nearly to the apex, the suture also a little raised ; beneath testaceous or fusco-testaceous, closely 
punctured ; legs rather stout, pilose, testaceous. 
Length 72-94 millim. (¢ 9.) 
Hab. Guatemata, San José (Champion). 
Many examples of this species were found in rotten tree-stumps in the mangrove- 
swaimps bordering the Pacific coast. The long coarse pubescence, hairy legs and 
antenne, coarse punctuation, distinct raised lines or cost on the elytra, and somewhat 
shining surface distinguish this species from all the allied forms. The last joint of the 
maxillary palpi has the inner and apical sides about equal in length. 
(Oxo ary) 
14. Oxacis tropicalis. 
Elongate, densely clothed with very fine silky pubescence; testaceous, the sides of the prothorax narrowly 
(from above only visibly so from the middle to the apex), of the elytra broadly, piceous. Head finely and 
somewhat thickly punctured, a space along the middle in front smoother, the eves and the tips of the 
mandibles piceous; antenne rather stout, fusco-testaceous, joints 1 and 2 lighter, 3 fully as long as 1, 
11 emarginate at the middle; prothorax longer than broad, the sides feebly rounded anteriorly and 
gradually converging behind, the disc a little flattened in the middle before the base and slightly 
depressed on either side anteriorly, the surface densely and minutely punctured; elytra subparallel in 
their basal half, densely and minutely punctured, and with one or two raised lines on the disc, the piceous 
colour at the base occupying less, at the apex more, than half of the elytral width; beneath densely and 
minutely punctured, testaceous, the venter suffused with piceous; legs comparatively short and stout, 
entirely testaceous, the claws only slightly dilated at the base. 
Length 63-74 millim. (¢ 9.) 
Hab. British Honpuras (Blancaneaur) ; Honpvuras, Ruatan I., Bay of Honduras 
(Gaumer). 
Two examples. ‘This species is not very closely allied to any other here enumerated: 
the densely and very finely punctured surface, short silky pubescence, long thorax, 
short, rather stout legs, and almost simple claws, chiefly distinguish it. The above 
description is chiefly taken from the female specimen from Ruatan I.; the smaller, 
male, example is immature, and has the sides of the thorax and of the elytra barely 
darker than the rest of the surface. The apical joint of the maxillary palpi is 
subcultriform. Copidita simplex, Waterh., from St. Bartholomew I., is a closely 
allied species, and differs from O. tropicalis in having the thorax emarginate at the 
middle of the base, and entirely flavous, and the sides of the elytra very broadly 
marked with black; it apparently has the mandibles entire, as in O. tropicalis. 
15. Oxacis nitidicollis, (Tab. VII. fig. 16, ¢.) 
Elongate, clothed with rather coarse ashy pubescence; the head and prothorax shining, flavo- or reddish- 
testaceous; the scutellum testaceous; the elytra opaque, brownish-violaceous with the suture and two 
