yiii TABLE OF CONTENTS. 



a Fundamental Principle in the Development of Animals, 278 ; Origin of 

 the Sexes in Vegetables and Animals, 280; Archebiosis, 281 ; Evolution of 

 the Horse, 281 ; Mimicry in Butterflies explained by Natural Selection, 

 283. Miscellaneous : The Border-line between Plants and Animals, 280 ; 

 Action of Ozone-water on the Lower Organisms, 287. 



(b.) ZOOLOGY IN GENERAL. 



Taxidermy : Preservation of Entomological Specimens, 275. Aquaria : 

 On the Management of Aquaria, 307 ; Pecuniary Success of the Brighton 

 Aquarium, 307 ; New Aquarium at Westminster, 308. Miscellaneous : 

 Professor Marsh's Paleontological Discoveries, 282; Embryological Data 

 for the Classification of Vertebrates, 296 ; New Hand-book of Paleontology, 

 297 ; Summary of Marsh's Recent Discoveries, 297. 



(C.) FAUNAS. 



The Triassic Fauna of Illinois, 300. 



(d.) ANATOMY AND PHYSIOLOGY IN GENERAL. 



The Nervous System : Nature of the Invertebrate Brain, 287. The Cir- 

 culation : Blood-corpuscles of the Batrachia, 274 ; Conversion of Arterial 

 into Venous Blood, 284; Do Acids Coagulate the Blood? 284; Causes and 

 Mechanism of the Coagulation of Fluids, 285 ; Photographs of the Blood, 

 308. The Digestive Apparatus : Nature of Gases Discharged from the 

 Stomach, 285. General : Physiological Action of Alcohol, 286 ; the Effect 

 of the Pressure of the Air upon Human Life, 288 ; Lubbock on the Senses 

 of Insects, 288 ; the Sense of Smell in Insects, 290 ; Migrations of the Lem- 

 ming, 299. 



(e.) VERTEBRATES IN GENERAL. 

 Parthenogenesis in Vertebrates, 275. 



(f.) MAMMALS. 



General Anthropology : Jade and Nephrite in their Relations to Man, 

 295. Man in the Old World : Use of the Baton among Ancient Egj'p- 

 tians and Jews, 291 ; Skeletons of Pile-dwelling Inhabitants, 292 ; New Hy- 

 pothesis in Regard to Swiss Lake Dwellings, 292 ; Did Man Exist in the 

 Tertiary Period of Europe ? 293 ; Laurium Silver Mine, 293 ; Female Cloth- 

 ing in the Bronze Period, 294 ; Ethnological Explorations around the North 

 Cape, 296. Man in the New World : Man in the Post-pliocene of Buenos 

 Ayres, 293. 



Other Mammals : Evolution of the Horse, 281 ; the Siberian Mammoth, 

 297 : Remains of the Irish Elk, 300 ; Revision of the Glires, 301 ; Marsh 

 on the Brontotheridas, 301 ; Rapid Destruction of the Buffalo, 302 ; Geo- 

 graphical Variation among North American Mammals, especially in Re- 

 spect to Size, 302 ; Fossil Elephants, Dogs, and Deer of New Mexico, 303 ; 

 New Extinct Wolf and Deer from the Upper Mississippi, 303 ; Probable 

 Extinction of the Elephant, 304 ; a New California Deer, 304 ; a New Por- 

 poise in New York Bay, 304. 



(g.) BIRDS. 



Coloring Matter of the Eggs of Birds, 304 ; Decrease of Birds in Massa- 

 chusetts, 309 ; Catalogue of all the Birds known to this Day, 310 ; Domes- 

 ticating the Prairie Chicken, 310; Additional Remains of the Moa, 311; 

 the Migration of Birds, 311 ; Fossil Birds in America, 311 ; Addition to 



