184 
Psyche 
[December 
15. Prothorax not narrowed basally, base broad as 
middle 24. 
Prothorax more or less narrowed basally 16. 
16. Metepisterna with outer edge not over */2 longer than 
anterior 17. 
Outer edge metepisterna about 2 X length anterior 
edge 25. 
17. Head relatively small, less than 2/3 width prothorax, 
genae not prominent, oblique, barely convex in pro- 
file ; mentum tooth finely pointed (northern Haiti) 18. 
Head larger, about 7/10 or more width prothorax, 
gense convex and prominent; mentum tooth blunt or 
emarginate (southern Haiti) 19. 
18. Prothorax subquadrate with posterior angles almost 
right; not margined at middle anteriorly; $ poste- 
rior trochanters acuminate, 3/5 length femora 
christophe n. sp. 
Prothorax with sides much rounded and posterior 
angles obtuse ; anterior margin fine but entire ; $ pos- 
terior trochanters probably not acuminate 
cychrinus n. sp. 
19. More slender and depressed ; prothorax finely margined 
anteriorly (see also under description) (La Hotte) . . 
constricticeps n. sp. 
Stouter; prothorax not margined at middle anteriorly 
(La Selle) 20. 
20. Larger and broader, with head relatively narrower; 
margins of prothorax moderately to broadly ex- 
planate 21. 
Slightly smaller and narrower, head relatively broader ; 
margins of prothorax rather narrowly explanate (see 
description for final identification) . . . .tipoto n. sp. 
21. Prothorax subquadrate, base % or more wider than 
apex, margins moderately explanate ; posterior dorsal 
puncture of elytra present jsegeri Dej. 
Prothorax subcordate, base 1/10 to 1/7 wider than 
apex, sides rather widely explanate; posterior elytral 
puncture missing subcordens n. sp. 
22. Brown; external elytral striae punctulate . punctus n. sp. 
Bluish purple ; striae not punctulate bruesi n. sp. 
23. (No alternative) fractilinea Dari. 
