THE GENERA AND SPKCIES OF SYMPHYLA. 99 



Pig. 3/. — Tarsus with one claw — the other hidden behind — of one of the 

 first pair of legs. X 460. 



Fig. 3 (J. — Left cercus of the same specimen, seen from the outer side. 

 X 200. 



Fig. 4.— Scolopendrella Isabellse, Grassi. 



Fig. 4ff. — The ninth antennal joint, seen from the outer side, x 190. 



Fig. 4 b. — Second and third scuta, x 77. 



Fig. 4 c— Twelfth left leg, from in front. X 127. 



Fig. 4 f/.— Claws of the twelfth right leg of the same specimen, from 

 behind, x 430. 



Fig. 4e. — Left leg of the first pair, from the outer side. X 430. 



Fig. 4/. — Left cercus of the same animal, seeu from the outer side. 

 x 127. 



Fig. ^g. — Distal part of the same cercus, seen from the outer side, and 

 showing the prominent dorsal and lateral lines. X 500. 



Fig. 4 h. — Distal part of a cercus seen from below, showing the stripes on 

 the terminal area and the base of the lateral lines. X 500. 



Fig. 5. — Scolopendrella texana, u. sp. 



Fig. 5 a. — The thirteenth joint of an antenna with nineteen joints, seen 

 from the outer side. X 122. 



Fig. 5 b. — Second scutum, x 85. 



Fig. 5 c— Twelfth left leg, from in front. X 122. 



Fig. 5 rtf.— Claws of the twelfth right leg of the same animal, from behind. 

 X 416. 



Fig. 5 e.— Left cercus, seeu from the outer side. X 122. The apical 

 seta has beeu broken ofif. 



Fig. 6.— Scolopendrella vulgaris, n. sp. 



Fig. 6 ^/.—Twelfth left leg, from in front. X 165. 



Fig. 6 b. — Claws of the twelfth right leg of the same specimen, from 

 behind, x 430. 



Fig. 6 c. — Left leg of first pair, from the outer side. X 430. 

 Fig. G (/. — Left cercus, from the outer side. X 165. 



PLATE 7. 

 Fig. 1. — Scolopendrella vulgaris, n. sp. (continued). 

 Fic- 1 a. — kiecond and third scutum. X UO. 



