IIOBMUltUS. 79 



and not spined. Movable finder of chela with two parallel rows of 

 teeth. Genital operculum of female not narrowed and pointed 

 behind ; marked with median suture. 



Type, II. australasice (Fabr.). 



Distribution. India, Burma, and the whole of the Indo- and 

 Austro-Malayan area as far as Fiji. 



Synopsis of Indian Species. 



a. Upper and lower crests on posterior side of 



brachium granular; sterna thickly punc- 

 tured ; tail laterally granular II. australasice, p. 79. 



b. Lower crest on posterior side of brachium 



quite smooth ; sterna not or scarcely punc- 

 tured ; sides of tail not granular H. nigripes, p. 80. 



05. Hormnrus australasiae, Fabr. Syst. Ent. p. .'500, 1775 (Scorpio); 

 C. L. Koch, Antrim, iv, p. 71, fig. 204, 1838 (Ischnurus) ; Thorell, 

 Atti Soc. It'll, xix, p. 251, 187(5; Simon, J. A. S. B. hi, p. 113, 

 1887 (Liocheles) ; Kraep. Jb. Hamb. tviss. Anst. xi, p. 133, 1804; 

 id. Tien:, Scorp. etc. p. 154, 1890. 

 Ischnurus complanatus, C. Koch, Arachn. iv, p. 73, fig. 205, 1838 ; 

 Thorell, Ann. Mm. Gmova, xxvi, p. 420, 1888. 



Colour of upper side of trunk, chela?, and of tail reddish or 

 greenish brown ; under side of trunk paler ; vesicle clear yellow 

 or yellowish red, paler than the dorsal surface of the abdomen. 

 Carapace and terga densely and finely punctured in $ , sometimes 

 granular laterally in J • Sterna finely punctured. Tail at most 

 only about two and a half times as long as the carapace, weakly 

 granular below, above, and at the sides ; dorsal keels practically 

 absent, but the extremities of the upper sides of segments 2-4 

 provided with a pointed upstanding tubercle; inferior crests of 

 3rd and 4th weakly granular, of 1st bearing posteriorly a pair of 

 sharp downwardly and backwardly directed tubercles, similar 

 tubercles on inferior median and lateral keels of 2nd ; inferior 

 lateral keels of the 5th denticulate ; vesicle finely punctured and 

 pitted, like the lower side of the tail, with setiferous pores. 

 Chela massive, granular and punctured above, punctured below ; 

 anterior side finely granular; the keels strong and coarsely granular; 

 base of the brachium in front elevated into a ridge bearing a pair 

 of larger denticles; brachium shorter than carapace; underhand 

 longer than carapace, not twice as long as the width of the hand ; 

 area below finger-keel coarsely granular; basal half of fingers 

 granular ; finger-keel and keel of underhand strong and coarsely 

 granular ; fingers short, about two-thirds the length of the under- 

 hand, shorter than carapace, not lobate in females and young 

 males, but strongly lobate in large males. Legs externally finely 

 granular, with under edge of femora and patella serrate. Pec- 

 tinal teeth 5-8, mostly 0-7. 



Measurements in mm. of adult ,-_? . — Total length .*>7, carapace 7, 

 tail IS, underhand 8, movable finger 6, width of baud 5. 



