100 



Ellingsen suggesls lo elablish a new genus for his Olpinin Orlonedae Eli. and 



0. biarolialiini Tom. and writes (20. p. 161). "Une diagnose générique (juani .... 

 j)()urrail être claljlie ainsi: Céphalothorax l)eaucoup plus long, presque juscju'à deux 

 lois plus long que large, un peu rétréei en avant des yeux. Les segments dorsaux 

 et ventraux de l'abdomen en partie divisés longitudinalement . . . .; deux ventouses, 

 la tige de cet appendice se bifurquant en deux branches, .... saillant hors des 

 griffes, chaque branche portant une vantouse". Ail the points, which are also found 

 in the diagnosis of Ulpiuiu L. K., are omitted in the diagnosis above. This diagnosis 

 is quite adapted to Olpiiun Birmaniciim n. sp. from Burma, and the description of 



01. Orlonedae Ell. shows, that the two species are similar in most respects but one 

 namely, that 01. Birmanicum n. sp. has a very broad stripe in the middle of the 

 céphalothorax, which is only 1'5 longer than broad, while 01. Orlonedae Ell. has 

 a median very indistinct suture and 01. biarolialiim Tom. has two almost obsolete 

 ones. These three species seem thus to go admirably together; but it seems scarcely 

 obvious to establish a new genus, before the segregation of the species of Oljnuin 

 L. K. into groups has been more advanced. The remarkable species Garypns bicornis 

 Bks. must |)robably be regarded as the representative of a new genus equal in rank 

 to the two old genera, but as it in many respects provides similarity to Garypus 

 L. K. more than to Olpium L. K. it will be discussed later on. 



III. Synopsis of genera. 



The genera, the names of which are placed within brackets, are regarded as 

 doubtful. 



1. Céphalothorax distinctly produced in front of the 



eyes removed a distance from front margin three 

 or four times longer than their diameter; median 

 incision and shallow longitudinal groove; granular 

 with short obtuse hairs. Abdominal tergites longi- 

 tudinally divided. Basal pari of femur of first pair 



of legs at least twice as long as tibial part Garypus l^. K. 



1. Céphalothorax slightly or not at all produced in 



front of the eyes, removed a distance from front 



nuirgin, smaller or equal to their diameter; smooth 



with long, pointed simple hairs. 



2. The basal femoral part of the first pair of legs at 



least one and a half as long as the tibial part . . . Olpium L. K. 

 3. Eyes placed apart from front margin of head. 



4. Céphalothorax only slightly longer than broad. 



Abdomen not vermiforms [Olpium L. K.) 



4. Céphalothorax much longer than broad. Abdomen 



vermiformis (Minniza Sim.) 



3. Eyes occupying front margins of the head (Amblyolpium Sim.) 



