PROCEEDINGS 147 



Proc. 

 No. 



2531. Notes on Entoraostraca from Colorado. The Shantz collections from the 



Pikes Peak region. By G. S. Dodds. Art. 18, pp. 1-7, 1 fig. May 12, 1924. 



2532. New American species of bees belonging to the genus Halictus {Chloralictus). 



By Grace Adelbert Sandhouse. Art. 19, pp. 1-43. Sept. 9, 1924. 



2533. Hookworms of the genus Uncinaria of the dog, fox, and badger. By B. H. 



Ransom. Art. 20, pp. 1-5, 1 pi. July 8, 1924. 



2534. A new genus and species of two-winged flies of the family Chloropidae 



injuring Manihot in Brazil. By J. M. Aldrich. Art. 21, pp. 1-2. June 

 7, 1924. 



2535. The fossils of the Lower San Pedro fauna of the Nob Hill cut, San Pedro, 



California. By T. S. Oldroyd. Art. 22, pp. 1-39, 2 pis. June 16, 1925. 



2536. A new marine annelid from Chile. By A. L. Treadwell. Art. 23, pp. 1-3, 4 



figs. Aug. 9, 1924. 



2537. Benjaminite, a new sulphosalt mineral of the klaprotholite group. By Earl V. 



Shannon. Art. 24, pp. 1-9, 3 figs. June 17, 1924. 



Volume 66 



Proceedings of the United States National Museum, vol. 66. Pp. xviii (title page, 

 advertisement, table of contents, and list of illustrations) ; arts. 1-35 (Pro- 

 ceedings papers 2538-2572, paged separately). 1926. 



2538. Parasitic nematodes from Tonkin, Indo-China, including a new species of 



Ascaridia. By Benjamin Schwartz. Art. 1, pp. 1-9, 1 fig. May 14, 1925. 



2539. The mineralogy and petrolog)' of intrusive Triassic diabase at Goose Creek, 



Loudoun County, Virginia. By Earl V. Shannon. Art. 2, pp. 1-86, 32 figs., 

 9 pis. Dec. 13, 1924. 



2540. Descriptions of Neotropical two-winged flies of the family Drosophilidae. By 



J. R. Malloch. Art. 3, pp. 1-11. Oct. 13, 1924. 



2541. Senecella calanoides, a recently described fresh-water copepod. By Chancey 



Juday. Art. 4, pp. 1-6, 3 pis. May 23, 1925. 



2542. A contribution toward the classification of the weevil larvae of the sub- 



family Calendrinae, occurring in North America. By Richard T. Cotton. 

 Art. 5, pp. 1-11, 10 pis. Oct. 11, 1924. 



2543. Notes on the herpetological collections made by Dr. W. L. Abbott on the 



island of Haiti. By Doris M. Cochran. Art. 6, pp. 1-15. Oct. 15, 1924. 



2544. Some hitherto unpublished photographs and measurements of the blue whale. 



By Gerrit S. Miller, Jr. Art. 7, pp. 1-4, 9 pis. Nov. 3, 1924. 



2545. A second instance of the development of rodent-like incisors in an artiodactyl. 



By Gerrit S. Miller, Jr. Art. 8, pp. 1-3, 1 pi. Oct. 13, 1924. 



2546. A pollack whale from Florida presented to the National Museum by the 



Miami Aquarium Association. By Gerrit S. Miller, Jr. Art. 9, pp. 1-15, 

 22 pis. Dec. 11, 1924. 



2547. Notes on Oriental dragonflies of the genus Aciagrion. By Frank Fortescuc 



Laidlaw. Art. 10, pp. 1-9, 1 pi. Oct. 13, 1924. 



2548. A new species of round worm of the genus Trichostrongylus from the rabbit. 



By H. W. Craybill. Art. 11, pp. 1-2, 1 pi. Oct. 8, 1924. 



2549. A new earthworm from Texas belonging to the genus Diplocardia. By 



Frank Smith. Art. 12, pp. 1-6. Oct. 6, 1924. 

 =^ 2550. New species of raoUusks of the genus Chilina. By William B. Marshall. Art. 



13, pp. 1-5, 1 pi. Oct. 8, 1924. 

 2551. New mollusks from Santa Elena Bay, Ecuador. By Paul Bartsch. Art. 14, 



pp. 1-9, 2 pis. Oct. 17, 1924. 

 ^="2552. New Uruguayan mollusks of the genus Corbicula. By William B. Marshall. 



Art. 15, pp. 1-12, 2 pis Nov. 3, 1924. 



2553. Some parasitic round worms of the rabbit with descriptions of two new 



species. By Asa C. Chandler. Art. 16, pp. 1-6, 2 pis. Nov. 3, 1924. 



2554. Illustrations of unfigured types of shells in the collection of the United 



States National Museum. By William Healey Dall. Art. 17, pp. 1-41, 

 36 pis. Sept. 22, 1925. 



