324 



Mr. n. A. 15oiil<'n;:^or o» 



row of tcotli (llvldos nftor tlio tfiitli iiit(^ two I»r;inclios, an 

 outer of t\V(i and an iniuM* of three denticles. Lower tiiij^er 

 of mandible provided with two teeth of large size, the first of 

 which is preceded liy three or four small denticles, the two 

 large teeth being separated from one another by three teeth, 

 of which the median one is minute ; posterior enlarged tooth 

 followed by three small teeth (fig. 1). 



Alnlomen. Ventral surface of fourth abdominal segment 

 furnished posteriorly with a fringe of nineteen long setH?. 



PaJp. Tarsus and metatarsus of palp provided with a few 

 long hair." ; thorns absent. 



Size. The female is of mucli larger size than the male, 

 which has appendages of greater length. 



Measurements in nun. Length of mandible (finG:er incl.) 7, 

 of palp 21"'), of first leg 1G"75, of second leg LV75, of third 

 leg 18, of fourth leg 24"5, of cephalic plate 3'5 ; total 

 length 24 ; breadth of mandible (at base) 3, of cefjlialic 

 plute 6. 



Ilah. Fourteen males and five females of this species were 

 collected by Captain H. J. Walton, LM.S., at Gyantsc, 

 Tibet, in the year 1904. 



Remarks. Allied to A', nasuta, from which it ajiparentiy 

 differs in the disposition and size of the teeth of the man- 

 dibular fingers, in the slenderness of the terminal portion of 

 the flagellum, atid in the absence of the tooth which is 

 situated antero-dorsally towanls the inner side of the up|)er 

 finger of the mandible in K. nasuta. The female differs 

 from that of ;>e?-s/ca, which is the only other species of this 

 genus in which this sex is known, in that the ventral surface 

 of the fourth abdominal segment is provided with nineteen 

 long seta? on the hinder edge. It is necessary to state that I 

 have not been able to examine specimens of the two species 

 mentioned above. 



XXXIX. — I fi'smjitifins of Three neu^ Snnlys disrorered hif 

 Mr. G. L. Hates in South Cameroon. By G. A. 

 BOULENGEU, F.R.S. 



J)asi/peltis macrops. 



Eye larger than in ]). scahro. Rostral nearly twice as 

 broad as deep, just visible from above ; intcrnasals as long as 

 era little shorter than the pricl'rontals ; fruntal a little longer 



