294 ACADEMY OF NATURAL SCIENCES 



SPH^RIDIUM Fabr. 



1. S. PR^TEXTATUM. — Black ; elytra with a yellowisli lateral 

 and terminal margin. 



JSphseridium jyrastexfafum Melsli. Catal. 



Body oval, black, polished, punctured : palpi whitish : antennae 

 piceous : elytra striate; striae very distinct, impressed, punctured; 

 interstitial spaces punctured : a broad pale yellowish outer mar- 

 gin, commencing at the anterior angle, and gradually dilating to 

 the tip : feet piceous. 



Length three-twentieths of an inch. 



[These three species belong to Cerci/on. — Leg.] 



2. S. NIGRICOLLE. — Black ; elytra and feet pale testaceous. 

 Sphseridium glahratum Melsh. Catal. 



Body oval, polished, punctured : head black : antennae piceous; 

 capitulum dull rufous : palpi piceous : thorax black : elytra testa- 

 ceous : striae slender, not deeply impressed, punctured ; terminal 

 margin obsoletely paler, interstitial lines punctured : feet pale 

 testaceous. 



Length more than one-tenth of an inch. [191 ] 



Var. a. Elytra and feet dark reddish-brown, the former with a 



very obvious pale spot at tip, somewhat similar to the unistriatum 



of Beauvois, but much smaller than he represents that insect 



to be. 



8. S. OCCALLATUM [oCELLATUM.] — Black ; elytra with a pale 

 tip ; feet piceous. 



Body oval, black, polished, punctured : palpi piceous : antennae 

 blackish-piceous : elytra with very distinctly punctured, impressed 

 striae ; a large dull yellowish spot at tip, rounded on its anterior 

 termination, and extending further on the lateral margin than on 

 the suture : beneath blackish : feet piceous. 



Length much less than one-tenth of an inch. 



Found in putrescent animal substances at Senipuxten. It is 

 about the size of apicialis nobis, which it much resembles, but it 

 is distinguishable by its black color, and firmer consistence. 



[Vol V. 



