various Central American Coleoptera. 97 
the Languriides is purely superficial,’ and the genus seems 
best placed amongst the Cryptophagidae for the present, 
not far from Haplolophus and Leucohimatium. The sub- 
joined table, based upon the species represented in the 
British Museum, or in the U.S. National Museum at 
Washington, will assist in the identification of many of the 
American forms. 
A. Thorax without impressed lines on the disc. 
a. Thorax more or less truncate in front in 
both sexes. 
a', Body glabrous above, shining; elytra 
punctate-striate.” 
a’. Tibiae much widened outwards; 
elytra about as wide as thorax. 
a®. Head short; eyes large and promi- 
nent; thorax strongly crenate at 
sides : body moderately elongate, 
black or piceous . . . [crenatus, n. sp.] 
b*. Head longer; eyes small a de- 
_ pressed; thorax oblong-quad- 
rate: body very elongate, 
anterior half testaceous, rest 
PlccOls,. 2) we ee «6A AIUS, Nn: Bp. 
b?. Tibiae slender; eyes large: body 
rather convex : species very small. 
c3, Thorax narrow, subquadrate . . [parvicollis, n. sp. } 
d®, Thorax transverse, narrowed and 
transversely excavate towards 
|Z a ean . sulcicollis, n. sp. 
bt. Body pubescent (in H. ties ely a 
few hairs visible). 
c*, Eyes large. 
e’, Thorax distinctly angulate at sides 
anteriorly; elytra punctate- 
striate, broader than thorax, 
usually fasciate: body very 
sing. 7K. A AS oribricolls, Gorh. 
(?=gracilicornis, Reitt.) 
1 Crotchia has a stridulating file on the head, a series of setigerous 
pores on each side of the abdomen, ete. 
* H. dufawi and H. guadalupensis, Grouv., belong to this section. 
TRANS. ENT. SOC. LOND. 1913.—PARTI. (JUNE) H 
