NO. 1040. ON AL0N0P8I8 IN AMERICA— DOOLITTLE. 565 



July 25, 1906; 3 specimens from Sunapee golden trout, 27 and 28 

 mm. long, Sunapee Lake, New Hampshire, April 23, 1910. 



Habitat. — ^Apparently they live in fresh water lakes in water several 

 feet in depth, off rocky shore. 



The specific name refers to the color of the shell, as well as to the 

 specific name of the trout from whom the greater number of speci- 

 mens and the type were taken. 



Ti/pe.— €at. No. 44366, U. S. N. M., from the alimentary tract of 

 Sdlvelinus aureolus, Sunapee Lake, New Hampshire, April 23, 1910. 



EXPLANATION OF PLATES. 



Plate 42. 



Fig. \.—Alonopsis aureola, female from Sunapee Lake, New Hampshire, April 23, 1910. Specimen 



No. 1, the type. Side view. X 32. 

 2.— Specimen No. 2. Head, lateral view. X 75. 

 3.— Specimen No. 2. A. Shell marlcings In median line, posterior part of head. X 275. B. Shell 



markings on side of test. X 275. 

 4. — Specimen No. 2. Second antenna, or antenna proper: a, upper or outer ramus; 6, lower or inner 



ramus. X 275. 

 5.— Specimen No. 3. Maxilla. X 1160. 

 6.— Specimen No. 3. Left first foot. A. Exterior view. X 275. B. Interior view. X 275. 



Plate 43. 



Fig. T.—Alonopsis aureola. Specimen No. 3. Right second foot, outer view. X 275. 



8.— Specimen No. 3. Right third foot, timer view. X 275. 



9.— Specimen No. 3. Left fourth foot, inner view. X 275. 

 10.— Same as fig. 9, flattened under cover glass, outer view. X 275. 

 11. — Specimen No. 1. Postabdomen, lateral view. X 90. 



