PASSALID.E. 15 



wards the hinder angles, and also a smaller one about the middle 

 rather more within. Abdomen deeply punetate-striate, several 

 of the strioe uniting near the apex, as the second and third, the 

 sutural and outer one, the fourth and niuth, the fifth and sixth, 

 and the seventh and eighth. Length 1 in. 4 lin. 



Hab. Columbia. (N. Grenada.) From the Collection of M. 

 Goudot. 



63. Passalus striato-punctatus. 



Passahis striato-punctatus, Perch. Mon. 101. 48. t. 7. f. 7 4* 

 • 1 Supp. 29. 48; Mag. Zool. (1841). 

 Hab. Mexico. 



64. PavSsalus thoracicus, n. s. PL I. fig. 3. B.M. 



Shining black, except the head, which is rugose and opake, 

 the hinder margin of the vertex smooth and shining ; the man- 

 dibles unidentate at the apex, which is rounded ; there is also 

 another blunt tooth on then- inner margin, the whole roughly 

 sculptured ; the labrum emarginate in front and coarsely punc- 

 tured ; on the disk of the head is a small tubercle, fi-om which 

 pass forwards to the margin of the clypeus elevated divergent 

 carinee which terminate in a small tubercle, and at about their 

 middle are produced into another tubercle of a rather larger size ; 

 at the outer margins of the usual lateral elevations is a flat pro- 

 jecting piece which nearly covers the eyes ; the antennae have 

 the three apical joints lamellate. Thorax transverse, deeply 

 emarginate in front and bisinuate, the disk delicately punctured, 

 the dorsal channel deeply impressed, a deep fovea at the hinder 

 angles coarsely punctiu-ed, and also a smooth depression on each 

 side of the dorsal channel a little before the middle. Abdomen, 

 the elytra deeply striate, the six outer strias punctured. Length 

 14 lin. 



Hab. Oajaca, Mexico. From Mr. Hartweg's Collection. 



66. Passalus tropicus. 



Passalus tropicus, Perch. Mon. 97. 46. t. 7- f- 4 4* 1 Supp. 38. 



61 ; Mag. Zool. (1841) ; Burm. Handb. v. 509. Jo. 

 Hab. Mexico. 



66. Passalus recticornis. 



Passalus recticornis. King, MSS. ; Burm. Handb. v. 508. 74. 

 Hab. Mexico. 



