184 



Zoologie. 



Allen J , Descriptions of two supposed new species of rnice from 

 Costa Rica and Mexico, with remarks on Hesperumys n.clano- 

 phrys of Coues, 1 93. 



Bean B, Fishes collected by William P. Seal, in Chesapeake ßay at 

 Cape Charles City, Virginia, Sept. 16 to Oct 3, lö90. 83. 



Benedict J und Rathhun M, The genus Panopeus. 355. 



Cherrick G, Notes on Costa Rican birds. 517. 



— Description of new genera, species and sub-species of birds from 

 Costa Rica. 337, 



Cope E, A critical review of the characters and variations of the 



snakes of North America 589. 

 Dali W, On some new or interesting west American shells obtained 



from the dredgings of the U. S. Fish Commission Steamer Alba- 



tross in 1888, and from other sources. 173. 

 Eigenmann C u. R, A catalogue of the fresh water fishes of South 



America. 1. 



Evermann B u. Jenkins 0, Report lipon a oollection of fishes made 

 at Ouaymas, Sonora, Mexico, with descriptions ofnew species. 121. 

 Gilbert Ch, Descriptions of apodal fishes from the tropical Pacific. 347. 



— Descriptions of thirty-four new species of fishes collected in 

 1888 a. 1889, principally among the Santa Barbara Islands and 

 in the Gulf of California. 539 



Gill Th, On Eleginus of Fischer, otherwise colled Tilesia or Pleuro- 

 gadus. 303. 



On the genera Labrichthys and Pseudolabrus 395. 



— Note on the genus Hiatula of Lacepede or Tautoga of Mitchell. 695. 



— Notes on the genus Chonerhinus or Xenopterus. 697. 



— On the genus Guathanacanthus of Bleeker. 701. 



— Notes on the Tetraodontoidea. 705. 



Howard L, The biology of the Hymenopterous insects of the family 



Chalcididae. 567. 

 Jordan D, Relation s of temperature to vertebrae among fishes. 107 

 Lucas . Fr, On the structure of the tongue in humming birds. 169. 

 MacFarlane R, Notes on and a list of birds and eggs collected in 



Arctic America 1861 6 . 413. 

 Ridgway R, Description of a new species of Whippoorwill from Costa 



Rica. 465. 



— Notes on some birds from the interior of Honduras. 467. 



— Notes on some Costa Rican birds. 473. 



Note on Pachyrhamphus albinucha Burmeister. 479. 



— Description of two supposed new forms of ' Thamnophilus. 481. 



— Description of a new sharp-tailed spariow from California. 483. 



— Notes on the genus Sittasomus of Swainson. 507. 



Smith J, Contributions toward a monographe of the Noctuidae of tem- 

 perate North America. Revision of the species of Mamestra. 197. 



Stejneger L, Description of a new species of Chamaeleon from Kili- 

 manjaro, Eastern Africa, 353. 



— Description of a new Scincoid Lizard from East Africa. 405. 



— Description of a new species of Lizard from the island San 

 Pedro Martir, Gulf of California. 407. 



