222 



ENTOMOLOGICAL SOCIETY 



third broader behind than in front, rather concave above, traversed 

 by irregular low ridges, and two longitudinal 

 lines rather nearer to the lateral margin than 

 to the middle. Posterior abdominal shield 

 much broader than anterior, its front border 

 concave, broadly rounded behind, bearing above 

 two scale-like hairs on the front border, four in 

 a transverse line beyond the middle, and four 

 more on hind border. Venter with large anal 

 and genital openings close together. Legs 

 very large and stout, first pair longest but 

 plainly shorter than body, all roughened and 

 clothed with clavate hairs, two on the front 

 magin of the anterior trochanters are larger, 

 spatulate and curved. The first leg is armed 

 with stout erect, slightly curved spines, longer 

 than the widths of the joints, two on the inner 

 border of femur, three on the inner border or 

 tibia, five on inner border of metatarsus; 

 rather smaller and more curved ones on the 

 lower outside margin of these joints. Palpi not 

 very long, bristly. 



Two specimens collected by Mr. H. G. Hubbard, at Palm 

 Springs, California. 



BIBLIOGRAPHY. 



FIG. 16. C<eculus americamis 

 enlarged. (Original.) 



Dufour, L. Descript. and figure of Casculus echinipes. 



des Sci. Nat., XXV, 1832, p. 289, pi. 9, figs. 1-3. 

 Gervais, P. Apteres, III, p. 260, pi. 38, fig. 5. 

 Lucas, H. Explor. Algerie., p. 307, pi. 22, fig. i. 

 Canestrini & Fanzago. Sul. gen. CaBculus, p. 477; 



ital., p. 75, pi. 2, fig. i. 

 Berlese, A. Acari ital. Prostigmata, pi. 50, fasc. 50. 



Ann. 



Acarof. 



- Mr. O. F. Cook presented the following paper : 

 NEW DICELLURA. 

 By O. F. COOK. 



The genus Japyx Halliday has been recognized* as a distinct 

 order under the above name. To the Japygidag is to be added a 

 new family, Projapygidas, founded on Projapyx stylifer^ a new 



*Brandtia, p. 49, July, 1896. In October of the same year Mr. Ashmead 

 published the. name Uratochelia for the same group in Volume III of these 

 Proceedings, page 327. 



t See plate II, figs. 5a-5d. 



