152 Biivoii Francis Nopcsa on the prohahU 



the uniseriate liairson the stri.ic are much shorter tlian those 

 on the interstices. 



Length 17 mm. ; breadth 0*6 mm. 



Bengal : Kurseong Div. 



Xyleborus major, Stebb., S • 

 Yellowish-brown elytra, the prothorax reddisli. Front 

 narrow, centrally tlat, and sliiniiijj ; anteriorly Avith a short, 

 longitudinal, central depression and laterally with large 

 jjiliferous punctures; deeply hollowed towards the vertex, 

 laterally sharply angled, the facets of the eyes coarse. 

 Pruthurax subglobose posteriorly, but extended and narrowed 

 forwards and downwards over the head, the front and sides 

 of the extension being contracted and recurved, with a 

 central anterior erect tubercle, laterally rounded ; rugose 

 anteriorly as far as the central transverse node, posteriorly 

 polished plain, and slightly depressed centrally, rather 

 coarsely punctured laterally, and clothed with long and very 

 fine hairs ; the frontal extension viewed dorsally is rugose, 

 with a central carina, the sides darker in colour, the exposed 

 under surface of the anterior extension is coarsely punctured 

 and hairy. Elytra narrower than the broadest part of the pro- 

 thorax, and about one-tenth longer (including the extension), 

 striate-punctate, the striae furnished with series of short 

 hairs ; the interstices slightly convex, with uniseriate 

 piliferous punctures (the hairs being very long), these 

 punctures being replaced on the declivity by jnliferous 

 tuljcrcles ; the sides of the elytra are subparallel to the apical 

 fourth, and are thence abruptly narrowed to form the some- 

 what acute apex. 



Length 4*5 mm. ; breadth 1'7 ram. 



Khariabander, P.F., Lower Tondu (C. F. C. Beeson), ex Sal. 



Type in the British JNIuseum. 



XV. — On (he probable llahits of the Dinosaur Strufhiotnimus. 

 By Baron Fran'CIS NopcSA, Foreign Corresp. Geol. Soc. 

 London. 



FiVER since the discovery of Struthiomimus i,ts mode of life 

 has been a puzzle to American paiaiontologists, and, as far as 

 I am aware, no satisfactory explanation has yet been found. 

 Though a descendant of some carnivorous theropodous Dino- 

 saur, Struthiomimus shows an edentulous beak, and thus it 



