444 Mr. R. I. Pocock on 



the femur close to tlie distal end ; three or four spines 

 on lower side of femur ; distal spine on inner side of 

 tibia long, almost as long as the proximal, the me- 

 dian spine only a little nearer to the distal than to 

 the proximal (5) Moheiii, sp. n. 



Log. Amboliimitombo (C. /. Forsyth Major). 



This species is named after Mons. A. Robert, wlio accom- 

 panied Dr. Major on his expedition to Madagascar and added 

 largely to the value of the collections brought home. 



Sy7iopsis of the Species o/xVcumontia. 



a. Legs short ; first a little longer than body, second less 



than twice as long, fourth about twice as long; 

 ocular spine sharply ditFerentiated by its greater 

 narrowness from the tubercle (d?) armata, Lorn. 



b. Legs long ; first about twice as long as body, second 



and fourth more than three times as long ; ocular 



tubercle and spine forming a long and more or less 



evenly attenuated process. 



a}. Protarsus of first leg of male unmodified ; first, 



second, and third free abdominal terga with a 



few longer and shorter spines ( $ unknown) .... rostrata, Poc. 



&'. Protarsus of first leg in male distally emarginate 



beneath ; four abdominal terga armed with short 



spines or tubercles. 



«^. Of the two hindmost pairs of spines on the scute 



the posterior are much longer and stouter than 



the anterior and narrowly separated at the base. 



a^. One spiniform tubercle on anterior portion of 



scute near ocular tubercle ; trochanter of palp 



unspined above, femur with four large dorsal 



spines, &c Majori, Poc. 



h^. Two spines on anterior portion of scute on each 

 side remote from the tubercle ; trochanter of 

 palp spined above; femur ■v\-ith five dorsal 



spines, &c Huberfi, sp. n. 



h'. Spines of the two hindmost pairs on the scute 



subequal and widely separated at the base. 



a*. Tubercles on free abdominal terga subspini- 



form, much longer than wide ; length of 



spines on dorsal scute much exceeding height 



of eye from carapace echinata, sp. n. 



h^. Tubercles on free abdominal terga not higher 

 than wide ; spines on scute low, about as high 

 as height of eye above carapace Co/mm, Poc. 



Genus Monoxyomma, nov. 



Ocular tubercle not rising from the anterior border of the 

 carapace, but distinctly behind it, moderately high, and armed 

 with a long suberect spine. Scute furnished with a single pair 

 of long spines on what appears to be its third abdominal 



