310 
The Ohio Naturalist, 
[Vo). V, No. 6, 
DR.^GOXFLIES. 
1. Calopteryx angustipennis. Not rare, frequenting willow- 
herb at ripples. This species was taken by Mr. Chas. Dury along 
Little Blue River, Crawford County, Indiana, May 27, 1904. 
This lost species, rediscovered in 1S99 in Pennsylvania and Ohio, 
seems to have unaccountably escaped collectors for a long period. 
2. Argia tibialis. This species was found abundantly along 
Sycamore Creek, a tributary of the Cumberland, near Nashville, 
Tenn., during the spring of 19<U. 
3. Enallagnut e.xsulans. This is the river Enallagma of the 
Ohio River system. 
4. Progoynpliits ohscunis. This common gomphine was not 
rare along the Rockcastle. 
5. Dwmogomphus spinosus. What has been said of Progom- 
phus ohscurus applies to this species. 
(). Gomphus dilatatus. Two males, resting on boulders in mid- 
stream in a ri])ple, were taken. 
7. Lanthus albisiylus. Observed in the afternoon resting on 
boulders and pebbles about a wide slow ripple. The nymph, 
described by Hagen from Kentucky as possibly Tachopteryx 
thoreyi and referred by Needham to Lanthus parvulus, in all 
probability is this species. 
8. Hagenius brevistylus. Recently emerged individuals of 
both sexes were taken. 
9. Macromia illinoiensis. Several males taken flying along 
the river. 
CR.A.YFISHES FROM KENTUCKY. 
Notes and determinations by Dr. A. E. Ortmann. 
1. Cambams bartoni (F.) 3 males (second form), 1 female. 
Rostrum more tapering and narrower than in typical specimens 
from eastern Pennsylvania; but a similar form of rostrum is 
found in (chiefly young) individuals from western Pennsylvania. 
Tubercles of inner margin of hand more strongly developed, with 
slight indications of a second row. 
Small streams tribuatry to Rockcastle Riv'er, Livingston, 
Rock Castle Co., Ky. E. B. Williamson. 
2. Cambams extraneus Hag. 2 males (second form), 2 
females. Hagen, 111. Cat. Mus. Harvard. 3. 1870 p. 73. Faxon, 
Mem. Mus. Harvard. 10. 188.7 p. 84. Faxon, Pr. U. S. Mus. 20. 
1898 p. 0.70. 
Areola slightly longer than half of anterior section of cara- 
pace; Angers of chelae elongated (characters of girardianus). 
Lateral spine of carapace well developed ; external orbital spine 
comparatively small ; distal upper end of meropodite of cheliped 
with two spines (in one specimen with three, the third anterior 
to the others, and small). 
