286 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



D 1 . Front just half or less than half as wide as carapace. 



E 1 . Front just half as wide as carapace ophioderma, p. 297. 



E*. Fronjt less than half as wide as carapace. 

 F 1 . Outer surface of palm not densely pilose. 

 G 1 . Upper margin of palm broken into several ridges. 



bidentatum, p. 295. 



G\ Upper margin of palm a single sharp crest jarvisi, p. 296. 



F*. Outer surface of palm densely pilose barbimanum, p. 298. 



A 2 . Carapace without a lateral tooth behind the outer orbital tooth. 



Subgenus Holometopus, p. 298. 

 B 1 . Movable finger not extraordinarily enlarged along its proximal half. 



G 1 . Merus joints of legs less than twice as long as broad rectum, p. 298 



C 1 . Merus joints of legs more than twice as long as broad. 

 D 1 . Front widening toward the lower margin. 



E 1 . Merus of third leg less than three times as long as wide. 

 F 1 . Upper margin of hand not a sharp crest. 

 G 1 . Merus of third leg more than 2$ times as long as wide. 



cinereum, p. 3(XX 



G*. Merus of third leg less than 2} times as long as wide. 

 H 1 . Carapace a little wider posteriorly than anteriorly. Frontal 



lobes prominent mtersii, p. 303. 



H*. Carapace wider anteriorly than posteriorly. Frontal lobes 



not prominent magdalencnse, p. 305. 



F*. Upper margin of hand a sharp crest occidentale, p. 299. 



E*. Merus of third leg three times, or more than three times, as long 



as wide. 



F 1 . Third leg 2$ or nearly 2i times as long as carapace. 

 G 1 . Deflexed front four times as wide as high. Fifth abdominal 

 segment of male longer at middle than at sides. 



miersii iheringi, p. 304. 



G". Deflexed front higher, less than 4 times as wide as high. 

 Fifth abdominal segment of male of even length through- 

 out btolleyl, p. 306. 



F'. Third leg twice as long as carapace ricordi, p. 308. 



D*. Front not widening toward the lower margin, its sides subparallel. 

 E 1 . Carapace nearly square, its length nearly or quite equal to its 



width. 



F 1 . Carapace a little wider than long. 

 G 1 . Manus without a definite marginal line above except In 



proximal part. 

 P 1 . Margins of merits joints of legs converging from the middle 



toward the carpus joints angustipes, p. 311. 



H*. Margins of merus joints of legs subparallel for their distal 



half roberti, p. 312. 



G*. Manus margined above by a denticulated crest fcstac, p. 313. 



F*. Carapace a little longer than wide angustum, p. 314. 



E'. Carapace distinctly transverse. 

 F 1 . Carapace wider anteriorly than posteriorly. Merus of third leg 



about twice as long as wide hanscni, p. 315. 



F*. Carapace with parallel sides. Merus of third leg nearly three 



times as long as wide tampicensc, p. 307. 



B 1 . Movable finger extraordinarily enlarged along itg proximal half. 



.benedict i, p. 316. 



