392 
Mr. H, W. Bates on Ceramhycidce 
2. Orthoscliema cyaneum. 
Orthostoma cyanea, Pascoe^ Journ. Entom. i. 62. 
Laste caerulea, thorace luteo ; antennarum articulis 
tribus ultimis albis.^^ (Paso.) 
Long. 7-8J lin. S ? • 
Closely allied to 0. albicorne; tbe apex of the elytra 
is less deeply emarginate, the thorax above and beneath 
of a bright red colour, and the elytra blue. In all my 
examples (three) , half of the eighth antennal joint is 
yellowish- white, as well as the remaining three. 
Hah. — Ega (not Para, as stated by Mr. Pascoe) . 
3. Orthoschema Tarnierij n. sp. 
0. alhicorni affine; differt antennis totis nigris, haud 
spinosis, elytrisque apice integris. Yiridi-aeneum, infra 
subnitidum, griseo-tomentosum ; supra capite thoraceque 
subnitidis, elytris opacis. 
Long. 7 lin. $ . 
Hab. — Para. 
4. Orthoschema tenuicorne, n. sp. 
Parvum, paulo minus elongatum, depressum, Isete 
viridi-a3neum, abdomine rufo ; antennis tenuibus, valde 
elongatis, haud ciliatis ; thorace ( d" 9 ) antice valde 
angustato, subtiliter confertissime transversim rugoso, 
nitido ; elytris confertissime granulato-rugosis, apice 
leviter emarginatis, ad suturam dehiscentibus ; pedibus 
nigris. 
Long. 4-5 lin. d ? • 
A small slender-limbed species, differing from 0. 
rufiventre, Germ, (a common and small species of Eio 
Janeiro) in being much less linear in form, in the 
thorax in both sexes narrowing greatly to the front, 
in the long and very slender antennas, which in well- 
developed males are three times the length of the body, 
and also in its brighter brassy-green hue. 
Hab. — Ega. Very common on the branches of dead 
trees, in company with numerous species of Ghrysoprasis 
of similar colour and size, from which it is readily dis- 
tinguishable by the very short hind tarsi. 
