456 Mr. C. Spence Bate on Eryoneicus. - 
Nausicus-cephalotes. (Pl. XVIII. fig. 10.) 
NV. rufo-brunneus, vage maculatim niger, capite rostroque antice 
fulvo-griseo-pubescentibus, pedibus annulatis. Long. 22 lin. 
(rostr. incl.). 
Hab. Java. 
Short, pubescent, reddish brown, indistinctly spotted above 
with blackish; front and rostrum covered with a pale yellow- 
greyish pubescence ; antenne extending to about the middle 
of the elytra, the basal joint short, ovate, the second pyriform, 
last joint of the club slightly obtuse; prothorax with two 
small conical anterior and two median tubercles ; scutellum 
broadly transverse; elytra flat or even concave above, each 
with three tubercles, the posterior largest, apex retuse ; py- 
gidium small; legs pale, rmged with blackish; fourth seg- 
ment of the abdomen very short. 
EXPLANATION OF PLATE XVIII. 
Fig. 1. Epilaris concmna. 
Fig. 2. Alcides Kirschit. 
Fig. 3. Bryocheta palliata. 
Fig. 4. Menemachus stigma. 
Fig. 5. Mecocorynus loripes, Chey. * 
Fig. 6. Arypteus suturahs. 
fig. 7. Tyriotes cunerpennis. 
Fig. 8. Inxodes teniatus. 
Fig. 9a, Antenna of Diacritus pinguis. 
Fig. 9 f. 1. Fore leg of Diacritus pinguis. 
Fig. 10, Nausicus cephalotes. 
LII.—Eryoneicus, a new Genus allied to Willemessia. 
By C. SpeNcE Bate, 
ERYONEICUS. 
Carapace dorsally arched, hemispherical, approximately as 
broad as long. Pleon narrow. Rhipidura well developed. 
Telson as long as the lateral plates. 
Ophthalmopoda absent or rudimentary, there being no 
orbital notch in the carapace for their reception. 
First pair of antenne have the first joint of the peduncle 
cylindrical like the second and third, which terminates in two 
flagella. 
_* A highly developed example, which I was at first inclined to consider 
distinct from the common form. 
