598 PROCEEDINGS OF THE ACADEMY OF [DeC, 



D. N. McCadden. Four Diptera, New Jersey. 



R. E. Nicholson. One Lepidoptera, Pennsylvania. 



H. A. PiLSBRY. One hundred and seventy-five insects, Arizona. 



Dr. C. W. Richmond. Two Spiders, Pennsylvania. 



Henry Skinner. Fifty-nine Lepidoptera, United States.; forty-five Lepidop- 

 tera, California; fifty Odonata, Idaho; seventy Lepidoptera, Colima, Mexico; 

 twenty-seven Diptera, Idaho; five Lepidoptera, Japan; two Odonata, Yellow- 

 stone Park; fourteen Odonata, Pennsylvania; thirty-three Lepidoptera, Idaho. 



Witmer Stone. One hundred and thirty-nine insects, Minnesota. 



H. L. ViERECK. Fifty-nine Diptera, New Jersey; fifty-three Hymenoptera, 

 Pennsylvania; twenty-five insects, United States. 



H. W. Wenzel. Eighteen Coleoptera, Europe. 



H. E. Wetherell. Thirty-three insects, Panama. 



H. F. WiCKHAM. Eight Coleoptera, United States. 



Joseph Willcox. Scorpion, Florida. 



MOLLUSCA. 



Mrs. Helen G. Abbott. Pyramidula alternata Say and Lymncea megasoma 

 Say from Lake Minnetonka, Minnesota. 



Jacob Aebly. Viviparus malleatus Rve., five and one-half years old, raised in 

 an aquarium. 



A. and J. Baily. Eight trays of American land and marine shells. 



C. F. Baker. Ten trays of Cuban marine shells. 



F. C. Baker. Nine species of American fresh-water shells. 



W. T. Bednall. Four Chitons from Port Elliott, South Australia. 



Bernice Pauahi Bishop Museum. Fifteen species of Hawaiian Island land 

 shells in exchange. 



C. R. BiEDERMAN. Pisldium from Reef, Arizona. 



FoRTUNATO Bonis. Fifteen species of land shells from Cauca, Colombia. 



J. Chester Bradley. Three trays of fresh-water shells from the Selkirk 

 Mountains, British Columbia. 



Stewardson Brown. Thirty-three species of land and marine shells from 

 Bermuda, and twenty trays of land and fresh-water shells from British Columbia. 



George H. Clapp. Four species of land and fresh-water shells from North 

 America. 



T. D. A. Cockerell. Twelve trays of land and fresh-water shells from New 

 Mexico. 



H. S. Colton. Strombus pugilis L. from Clearwater Harbor, Florida. 



Charles H. Conner. Two Unios from the Delaware River. 



L. E. Daniels. Segmentina crassilabris Wkr. from White and Knox counties, 

 Indiana. 



Dr. S. G. Dixon. Three species of fresh-water shells from Puzzle Lake, 

 Ontario. 



J. H. Ferriss. Six species of Western land shells. 



H. W. Fowler. Fifteen trays of shells from Potter and McKean counties, 

 Pennsylvania. 



William J. Fox. Loligo from Sea Isle City, New Jersey. 



L. S. Frierson. Three species of land shells from near Frierson, Louisiana. 



