32 ' - INSECTS OF SAMOA. 



Zealand E. variolorum Broun seems to be only a colour variety of the more 

 abundant E. tritus. Sharp has already pointed out* that the character from 

 which the specific name of the unique type was derived is an accidental one. 

 The characters given by him in a dichotomic table on the same page seem to 

 me to be only colour variations, perhaps even due to sexual differentiation, his 

 Philhydrus tritus being then the and his Ph. variolorum the cJ, of the same 

 species. More material from New Zealand, as well as from Samoa, is needed 

 in order to decide these questions, 



5. Enochrus (Lumetus) bryani, sp.n. (Text-fig. 1). 



Type. Samoa, Savaii : Salailua, 22.V.1924 (Bryan), Bishop Museum, 

 3-2 X 1-9 mm. 



I have not been able to assign this beetle to any described species, and I 

 do not know of any very near ally. The shape is not very convex, and the 

 pronotum is but little narrowed from the hind to the anterior angles, so that 

 the latter are definitely wider than the eyes. 



Head dirty yellow, with a roughly triangular infuscation covering base of 

 postfrons, narrowed anteriorly and extending across the blackened antenno- 

 frontal suture to the middle of the prefrons. The latter is emarginate in front 

 behind the labrum, and the preclypeus is visible. Puncturation of head close, 

 not very strong nor deep, with interstices between punctures shining, not 

 alutaceous. Hind portions of head (vertex) under margin of pronotum finely 

 strigose. A group of a few larger punctures can be seen on the inner side of the 

 eyes. Labrum infuscate, nearly black, finely punctured. Maxillary palpi not 

 very long, the last segment not infuscated at the tip. 



Pronotum dull yellow, infuscated in the middle, the infuscation reaching 

 the posterior but not the anterior margin. The curve of the sides nearly con- 

 tinuous with the outline of the elytra. Posterior angles sharply, the anterior 

 ones much more widely, rounded. Lateral and posterior margins of the disc 

 finely and wholly bordered ; anterior side widely and not very deeply emar- 

 ginate for the reception of the head. Puncturation of the disc very conspicuous, 

 as dense as on the head and somewhat stronger. Lateral ellipses of larger 

 punctures easily seen among the finer ground punctures. 



* Trans. Eni. Soc. Lond., p. 473, 1884. 



