90 Mr. E. I. Pocock on 



half times the leugtli of the carapace, 

 ■VN hich is almost equal to its femur and 



patella •_ • • • «<'««» ^p. n. 



I. Sternum strongly convex, projecting mesiallv 



below the inferior surface of the c^x« steniahs, sp. n. 



Genus PnORMiCTorus, Poc. 

 Phormictopiis, Ann. & Mag. Nat. Hist. (7) viii. p. 545 (1901). 

 The name and synonymy of the type of this genus is, I 

 believe, as follows : — 



Phormictopus cancerides (Latr.). 



^Ii/qale cancerides, Latr. Gen. Crust, et Ins. i. p. 83 (1806). 



Myt/ale Erichsomi, C. L. Koch, Die Arach. ix. p. 28, fig. 709 (1842) ; 



id. Uebersicht &c. v. p. 72 (1850) (Lasiodora). 

 Crypsidromus intermedius, Auss. Yerh. z.-b. Wien, xxv. p. 180 (1875). 



Hah. San Domingo (Haiti). 



The British Museum has adult males and females ticketed 

 "Haiti" and "Port au Prince, Haiti." Probably to this 

 species is to be assigned the specimen from San Domingo 

 referred to Mi/gah Blondii by Hahn (ilonogr. Spinnen, i. 

 p. 1, 1820). Under the name Schizopelma Ericksotiii, Banks 

 (Proc. U.S. Nat. Mus. xxiv. p. 218, 1901) has recently 

 recorded a species from Porto Rico which he identifies with 

 My gale Erichso7ih\ Koch. Since a single tibial apophysis, 

 to mention no other feature, is characteristic of the male of 

 Schizopdma, and since the species described as Mygale 

 Erichsonii by Koch has a couple of such apophyses, 

 Mr. Banks's determination is certainly erroneous. 



The species named Crypsidromus intermedins by Ausserer, 

 the type of which is in the British Museum, is based upon 

 immature and mutilated specimens apparently referable to 

 this species. 



The o-enus Phormictopus also embraces the form described 

 by Ausserer as Lasiodora cauta (Yerh. z.-b. Wien, xxv. 

 p. 191, 1875), for which, unfortunately, no locality is as yet 

 known. 



The males of the two species that I refer to this genus 

 may be diagnosed as follows : — 



«. Femur of first leg without plumose hairs on 

 the inner side ; femur of third leg not notice- 

 ably swollen; protarsus of first strongly 

 convex above, tibia concave ; spine of palpal 

 organ smooth al -ng its convex side cancerides (Latr.), Poc. 



