Sept., 1869.] ELLIOTT SOCIETY. 73 



ContrihutionB to the Collection. 



Tooth of Ischyrhiza mira, Leidy, from near Effingham, Marion 

 Co., S. C, and 



Cast of Lingida f Froin Mr. W. G. Mazyck. 



Prof. McCrady read a paper on " The Position of Himiboldt in 

 Science." * 



SEPTEMBER 22d, 18G9. 



W. Wkagg Smith, Esq. in the Chair. 



The Chairman exhibited a specimen of Caterpillar, Ceratoma quad- 

 ricornis, Hareis, accompanied by the following descriptions and 

 remarks : 



Ceratoma quadricornis, Harris. 



"Caterpillar wlien first hatched, yellowish green, with a darker dorsal line, 

 a long, red, caudal horn, and a very large, green head, with the dorsal dentic- 

 ulations and tubercles obsolete. Pupa thick, not elongated before; tail ending 

 with a conical projection, tipped with two little divaricating spines; tongue- 

 case buried and soldered to the breast." (Harris' Correspondence, p. 232.) 



" (Jeratoma (Hakeis) quadricornis, (Hubn.) Mature Larva. Head pale 

 green, with an indistinct whitish lateral stripe. Body pale green, becoming, 

 just before pupation, in one of the sexes, more or less reddish brown, dotted 

 with obscure granulations ; lateral stripes pale greenish with whitish granula- 

 tions and two thoracic, dorsal, white, granulated lines ; caudal horn greenish; 

 stigmatse black, encircled with yellow and divided by a yellow line. Feet red- 

 dish or tipped with reddish. Length about three inches. The larval trans- 

 formation is subterranean. Pupa dark brown, smooth, cyhndrico-couical ; 

 tongue- case not apparent. The larva reaches maturity about the beginning of 



* See Note, page 58. 



VOL. n. 10 Published Feb., 18S6. 



