VI TABLE OF CONTENTS. 



Page. 



CoQUiLLETT, D. W. A sA^stematic arrangement of the Fami- 

 lies of the Diptera.— No. 1227. May 2, 1901 ' 653-658 



. New Diptera in the U. S. National Musemn. — No. 



1225. March 27, 1901 ' 593-618 



New genera: Pycnoglossa, Pletliochieta. 



New species: BoUtophila montana, Macrocera nebulosa, Ceroplatus clausus, 

 Platyura inops, Tetragunenra bicolor, Tetragoneura pimpla, Sciophila 

 suhcxrulea, Sciophila flnvohirta, Polylepta tibialis, Docosialongicornis, 

 Docosia obscura, Docosia vittata, Leptomorphus parndus, Leptomor- 

 phus hyalinus, Acnemia flaveola, Exechia analis, Dynatosoma thora- 

 cica, Chironomus brachialis, Chironomus txmapennis, Chironomus 

 nitidulus, Orthodadius par, Eurycnemus scitulus, Tanypus joJmsoni, 

 Tanypus bifasciatus, Empis tridentata, Ehamphomyia ckmda, Rham- 

 phomyia diversa, Criorhina kincaidi, Scatophaga nubifera, Scatophaga 

 crinita, Hexamitocera flavida, Pycnoglossa flavipennis, Plethochpcta 

 varicolor, Anorostoma opaca, Tetanocera setosa, Sciomyza gtdlata, 

 Sciomyza alhomria, Neuroctena fumida, Dryomyza ariMalis, Psila 

 frontalis, Loxocera fumipennis, Phortica r^ittata. 



Dall, William Healey. Sj^nopsis of the famil}^ Cardiida; 

 and of the North American species. — No. 121-1. Januaiy 

 2. 1901 ' 381-392 



. Synopsis of the famil}' Tellinidfe and of the North 



American species. — No. 1210. November 14, 1900^ 285-326 



New species: Tellina{Eurytellinaf) georgiana, Tellina {Liotellina) iher- 

 ingi, Tellina {Elliptotellina) americana, Tellina (Angulus) promera, 

 Tellina {Angulus) flageUum, Tellina (Angidus) colorata, Tellina 

 {Angulus) texana, Macoma {Macoma) phenax, Macoma {Psamma- 

 coma) extenuata, Macoma {Psammacoma) tageliformis, Tellina 

 {Merisca) reclusa, Tellina {Elliptotellina) jxicifica, Tellina {Phyl- 

 lodina) pristiphora, Tellina {Eurytellina) leucogonia, Tellina 

 {Moerella) meropsis, Tellina {Moerella) amianta, Tellina {Moerella) 

 paziana, Tellina {Angulus) macneilii, Tellina {Angidus) suffusa, 

 Tellina {Angulus) cerrosiana, Tellina {Angulus) panamerisis, Tellina 

 {Angidus) recurva, Tellina {Peronidia) santarosx, Macoma krausei, 

 Macoma sitkana, Macoma (daskana, Macoma {Psammacoma) 

 panamensis. 

 New names: Tellina {Angulus) carpenteri, Tellina {Oudardia) butioni. 



. Synopsis of the Lucinacea and of the American 



species.— No. 1237. August 22, 1901 ' 779-833 



New species: Thyasira excavata, Thyasira tomeana, Thyasira magel- 

 lanica, Axinopsis viridis, Diplodonta { Torelli) aleutica, Codakia 

 colpoica, Codakia cubana, Codakia {Jagonia) portoricana, Codakia 

 {Jagonia) galapagana, Codakia {Jagonia) chiquita, Phacoides 

 {Callucina) bemiudensis, Phacoides {Parvilucinn) crenella, Phacoides 

 {Bellucina) amiuntus, Phacoides {Cainlucina) lamprns, Phacoides 

 {Lucinoma) heroicus, Phacoides {Parvilucina) approximatus. 

 New names: Codakia {Jagonia) mexicana, Divaricella perparvula. 



^ Date of publication. 



