109 



Leipzig, Kgl. Säcks. Ges. d, Wiss, Math.-phjs. Cl. Ber. 1889. I. 



pa Schenk, Benicrlvun^en über einige Pflaiizenreste aus den triasischen 

 und liasischen Bildungen der Umgebung des Comersees. 1 — 13. 

 //^Wiedemann G, Magnetische Untersuchungen. 57 — 75. 

 w/Credner H, Das vogtländische Erdbeben vom 26. Decbr. 1888. 76 — 85. 



Stuttgart, Ver. f. vaterl. Naturkunde. Jaliresliefte. 1889. 



zo Zeller, Ueber die Fortpflanzung des Proteus anguineus u. seine Larve. 



— König-Warthausen, Ueber die Kreuzschnäbel u. ihre Fortpflanzung. 

 ^///Leuze, Beiträge zur Mineralogie Württembergs II. 



pa\i. Quenstedt, Psammnchelys keuperina. 



— Fraas, Loliginites (Geotheutis) Zitteh, ein vollständig erhaltener 



Dibranchiate aus den Laibsteinen des Lias. 



— — Kopfstacheln von Hybodus und Acrodus, sog. Ceratodus hetero- 



morphus Ag. 



miLeuze^ Die Mineralien und Pseudomorphosen des Rosseneggs. 

 mtw. Eck, Uebers. über die in Württemberg u. Hohenzoliern vom 1. März 

 1888 bis 28. Februar 1889 wahrgenomm. Erderschütterungen. 



Boston, Soc. of Nat. Hist. Proceed. XXIIL P. IlLand lY. 



bo Farlow, The Lichens belonging to the Boston Soc. Nat. Hist. 274. 



zo Hagen H A, Monogr. of the Hemerobidae. Part IL 276. 



ho Trelease, North Am. Speeles of Thalictrum. 293. 



ge Crosby and Barton, On the great Dikes at Paradise, nearNewport. 325. 



ö^^^Haynes, Localities of Quarries worked by the Indians for material 



of their Stone Implements. 333. 

 ge Davis , Mechanical Origin of the Triassic Monoclinal in the Con- 

 necticut Yalley. 339. 

 /<^Emerton, Restoration of the Skeleton of Dinoceras mirabile. 342. 

 ge Marcou J, Use of the name Taconic. 343. 



Jeffries J A, Epidermal System of Birds. 358. 



Brooks H, Structure of the Fannel of Nautilus pompilius 380. 



— Ridgway, Type-specimens of American Troglodytidae. 383. 



— Fewker J W, A new Mode of Life among Medusae. 389. 



— Hyatt A, Yalues in Classification of the stages of Growth and 



Decline, with propositions for a new Nomenclature. 396. 

 ^^Shaler, Origin of the divisions between the layers of stratified 

 Rocks. 408. 



ö;/zPutnam, Palaeolithic Implements frorn America and Europe. 421. 



— Abbott, Antiquity of man in the vallcy of Delaware. 424. 

 ^<?Wright, Age of the Ohio gravel-beds. 427. 



— Upham, The recession of the ice-sheet in Minnesota. 436. 

 a^^Putnam, Remarks on early man in America. 447. 



Crosby, Geology of the ruter 'Islands of Boston Harber. 450. 

 zo Emerton, Changes of the internal organs iti the pupa of the milk- 

 weed butterfly. 457. 



— Stejneger, Type specimen of Euryzona eurizonoides. 461. 



— Putnam, 2 Speeles of Wasps obs. at the Serpent Mound Ohio. 465 

 fa Neweii, Niagara Cephalopods from north. Indiana. 466. 



ge Crosby, Geology of the Black Hills of Dokota. 488. 



