IV TABLE OF CONTENTS. 



Page. 



;;i;2 



Dall, William Hcaley. (Scientific results of explorations by steamer Albatross. No. 

 vii.— Preliminary report on the collection of Mollusca and Bracbiopoda obtained in 1887-'88 

 (with Plates v-xiv) 



[Malletiagoniura, M. (Tindaria?) ceolata, M. (Tindaria) agathida, M. (Tindaria) acinula, 

 M. (Tindaria) virens, Toldia scapania, Toldia pompholyx, Leda cestrota, Leda platessa, 

 Leda pontonia, Nucula callicredemna, Gryptodon barbarensis, Cryptodon fuegiensis, Cal- 

 locardia albida, Cytherea encymata, Cymatoica occidentalis, C. orientalis, Bushia pana- 

 mensis, Lyonsiellu radiata, Verticordia perplicata, Cuspidaria (?) monosteira, G. (Luzo- 

 nia) chilemis, Poromya cymata, Poromya microdonta, Dermatomya mactroides, Den- 

 talium megathyris, Cadulus albicomatus, Actceon curtulus, A. perconicus, Scaphan- 

 der interrupts, Terebra benthalis var. nodata, Leucosyrinx goodei, L. (goodei var. ?) 

 persimilis, Pleurotoma exulans, Calliotectum vernicosum, Pleurotomella cingulata, P. 

 argeta, P. (Gymnobela) agonia, P. suffusa, P. (agassizii var.) permagna, Marginella 

 cineracea, Yolulilith.es philippiana, Gonomitra intermedia, Mesorhytis costatus, Bucci- 

 num viridum, Ghrysodomus amiantus, C. griseus, C. aphelus, G. (Sipho) testudinis, 

 Nassa townsendi, Columbella permodesta, Murex (Chicoreus) leeaaus, Seala pompho- 

 lyx, Alaba conoidea, Adeorbis sincera, Cocculina pocillum. Halistylus columna, Gallios- 

 toma platinum, G. ribensis, Turcicula bairdii, T. macdonaldi, Sol triella oxybasis, S. 

 actinophora, Rimula erecta, new species.] 



K verm aim. Barton W. (See Jordan, D. S.) Description of Yellow-finned Trout 453-454 



[Salmo mykiss macdonaldi, new subspecies. J 



Faxon, Walter. Notes on North American Crayfishes, family Astacidfe 619-634 



[Gambarus evermanni, Gambarus hylas, new species.] 



Gilbert, Charles H. Notes on the occurrence of Gillichthys y-caudaat San Francisco 363 



Howard, l>. O. (Scientific results of explorations by steamer Albatross.) No. V.— Anno- 

 tated catalogue of the insects collected in 1887-88 185-216 



Arachnida.— By George Marx, M. D 207-211 



[Linyphia (Dyplostylum) magettanii, Loxosceles galapagoensis, Thanatus antarcticus, Te- 

 genaria morsitans, Amanrobius frigidus, Drassus pacificus, Gayenna rosea, Glubiona 

 brevipes, Zora californica, Zora latithorax, Lycosa fallax. L. fuegiana, L. ornata, Ctenus 

 dbscurus, Mene merits galapagoensis, Segestria galapagoensis, Filistata oceanea, new 

 species.] 



MYEIAPODA.-By C. H.Bollman 211-216 



f Spirobolus sanctce-litcice, new species ; Pectiniunguis americanus, new genus and species ; 

 Scolopendra macracanthus, S. microcanthus,. S. galapagoensis, new species.] 

 Jordan, David Starr. (Scientific results of explorations by steamer Albatross.) No. 

 IX.— Catalogue of fishes collected at Port Castries, St. Lucia, by the steamer Albatross, 



November, 1888 645-652 



[Corvula sanctce-lucice, new species.] 

 Jordan, David Starr, and BoIIman, Charles Harvey. (Scientific results of ex- 

 plorations by steamer Albatross.) No. IV.— Descriptions of new species of fishes collected 

 at the Galapagos Islands and along the coast of the United States of Colombia, 1887-'88. . . 149-183 

 [Raja equatorial is, Discopyge ommata, Urolophus goodei, Synodus evermanni, S.jenkinsi, 

 Ophisoma nitens. Ophichtkus evionthas, O rugifer, Menidia gilberti, Stromateus palo- 

 meta, Diplectrum euryplectrum, Prionodes stisbostigma, Kuhlia arge, new species; 

 Xenocysjessire,w}.w genus and species; Larimus pacificus. Polycirrhus rathbuni. Rathe- 

 ostoma averruneus .- Bollmannia chalmydes, new genus and species ; Seorpcena russula, 

 Prionotus quiescent, Prionotus albirostris, Prionotus xenisma, new species; Runula 

 azalea, new genus and species; Porichthys nautopwdium, Otophidium indcfatigabile, 

 Leptophidium prorates, Bregmaeeros bathymaster. Azevia querna, new species; Engy- 

 ophrys sancti-laurentii, new genus and species; Symphurus atramcntatus, S. leei, new 

 species.] 

 Jordan, David Starr, and Evermaun, Barton W. Description of the yellow- 

 finned trout of Twin Lakes, Colorado 453,454 



[Salmo mykiss macdonaldi, new subspecies.] 

 Knowlton. F. H. A revision of the genus Araucarioxylon of Kraus, with compiled de- 

 scriptions and partial synonomy of the species 601-617 



Lucas, Frederic A . Description of some bones of Pallas's Cormorant (Phalacrocorax per- 



spicillatus) 88_94 



Marx, George. (See Howard, L. O.) Arachnida of Albatross exploration 207-211 



Catalogue of the described A ranece of Temperate North America 497-594 



Mason, Otis T. The archaeology of the Potomac tide- water region (with Plates XV-XIX). 367-370 

 Merrill, George F. Notes on the serpentinous rocks of Essex County, New York; from 



Aqueduct shaft 26, New York City; and from near Easton, Pennsylvania 595-600 



