472 NEW YORK STATE MUSEUM 



a pair of slif^litly two jointed anal prolegs, each with a pair of 

 strong-, slender claws and a lateral filament. The antennae 

 have six segments, the basal joint being united with the head, 

 though Walsh and Riley recognized only five segments. 



Corydalis larvae collected from different localities have been 

 examined. As they show some variations, a few notes on them 

 may aid in future work of determining the species. 



Label, " Colorado, Thiquili, Dr Xewbery, 1873." Has no tufts 

 of hairs on the lateral nor anal filaments. The spongy tufts are 

 sessile as in C. c o r n u t a. Some tufts of hairs near the spir- 

 acles on the sides of the abdomen; some yellow markings on 

 dorsal aspect of abdomen. 



Label, " Texas, Stolley, no. 1640.'' Hasi two rows of hairy 

 tufts on most of the lateral and on the anal filaments. Thorax 

 and head brown with some light yellow areas; abdomen dark 

 above with no yellow markings; mesothorax and metathorax 

 same color as the jirothorax. 



Label, "■ Mobile Ala., 1853." Has tufts the same as the above 

 specimen, but the abdomen is very dark, and the clavate projec- 

 tions are usually long. INIesothorax and metathorax same color 

 as the abdomen; jirothorax and head reddish brown without the 

 striking light markings; lateral and caudal filaments nearly 

 white above. 



Label, " Rio Negro, Amazon, Thayer Exp." (about 1869). Has 

 the six jointed antennae, and the marks of C. c o r u u t a on the 

 head and thorax. It ditTers from that species in that the spongy 

 tufts stand out vcntrally from the abdomen, as a pair of fau- 

 shaped tufts to each segment. 



Label, '' Himalaya, Sutlej river, Billispur M. M. Garleton, 

 1872." A'ery light brown or yellowish; reddish yellow on the 

 thorax and head. The eight pairs of lateral filaments are 

 clothed on the ventral side with tufts appearing like the tracheal 

 tufts. A similar growth fringes the abdominal segments. 

 Antennae six jointed; ocelli six on each side. 



Eggs. The egg masses of C o r y d a 1 i s c o r n u t a were de- 

 scribed by Riley [1877] who found them in the middle of July 

 1876, along the banks of the Mississippi. His description 1 

 quote: 



" The egg mass of C o r y d a 1 i s cor n u t a is either broadly 

 oval, circular, or (more exceptionally) even pyriform in circum- 

 ference, flat on the attached side, and plano-convex on the ex- 

 j)osed side. It averages 21mm in h'ugth, and is covered with a 

 white or cream-colored albuminous secretion, which is generally 

 splashed around the mass on the leaf or other object of attach- 

 ment. It contains from two to three thousand eggs, each of 



