20 bulletin: museum of comparative zoology. 



BUMASTUS INSIGNIS (Hall). 



Illaenus insignis Hall, 18th Rept. N. Y. state cab. nat. hist., 1865, p. 27, f. 5, 

 6 adv. sheets; 20th Rept. N. Y. state cab. nat. hist., 1868, p. 331, f. 5, 6, 

 pi. 22, f. 13, 14; 1870, rev. ed., p. 419; f. 10. 11, pi. 22, f. 13, 14. WeUer, 

 Bull. Chicago acad. nat. sci., 1907, no. 4, pt. 2, p. 215, pi. 17, f. 1-5. Not 

 of Salter, Whitfield, Foerste, and Kindle. (See WeUer, op. cit.). 



It is interesting to note that though Hall cites Waukesha and 

 Milwaukee, Wise, first in his list of localities for this species, the 

 species is not known at all from Wisconsin, and the specimens which 

 Hall figured were undoubtedly from near Chicago. Whitfield's 

 Illaenus insignis was B. cuniculus (Hall). The English specimens 

 figured by Salter as belonging to this species, show the same long 

 furrows and cephalon with a lip, but the front of the head is not so 

 pointed. The eyes of the English form are likewise less- elongate and 

 further back than in specimens from near Chicago. It seems probable 

 that the English form deserves a distinct name, and B. pomiata, the 

 name used by Salter on the plate of his publication, is still available. 



BuMASTUs loxus Hall. 



Illaenus (Bumastus) barriensis ? Hall, Geol. surv. Wise, 1862, 1, p. 433, (no 

 description); 18th Rept. N. Y. state cab. nat. hist., 1865, p. 28 adv. 

 sheets; 20th Rept. N. Y. state cab. nat. hist., 1868, p. 332. 



Illaenus ioxus Hall^ 20th Rept. N. Y. state cab. nat. hist., 1868, p. 387, fig., 

 pi. 22, f. 4-11, pi. 23, f. 1. Whitfield, Geol. Wise, 1882, 4, p. 304, pi. 21, 

 f. 11, 12. Foerste, Proc. Boston soc. nat. hist., 1890, 24, p. 268, pi. 5, 

 f. 20. Van Ingen, School of mines quarterly, Columbia univ., 23, 1901, 

 p. 35 (no description). Kindle, 28th Ann. rept. Dept. geol. and' nat. res. 

 Indiana, 1904, p. 480.. pi. 22, f. 7, pi. 23, f. 3. Weller, BuU. Chicago acad. 

 sci., 1907, no. 4, pt. 2, p 222, pi. 18, f. 1-3. 



Illaenus (Bumastus) ioxus Hall, 20th Rept. N. Y. state cab. nat. hist., 1870, 

 rev. ed., p. 420, f. 12, pi. 22, f. 4-10. ? 11th Rept. Dept. geol. and nat. 

 hist. Indiana, 1882, p. 335, pi. 38, f. 14, non 13; Trans. Albany inst., 

 1883, 10, p. 76. 



The status of the name of this species is somewhat like that of 

 Cheirurus niagarensis. In the Pal. N. Y., 2, Hall identified the rather 

 common large Bumastus of the Rochester shale as B. barriensis 

 Murchison, and in his earlier references to the Wisconsin specimen he 



