1897.] 
Contents. 
of Triton, 72; English Sparrow Not Always a Nuisance, 73 ; Ori- 
gin of Chiropterygium, 74; New White-Footed Mouse, 74; Bats 
from Lower California, 75; Deaths from Mammals and Snakes 
in India, 77; Number of Species of Living Animals, 78 ; Terce- 
ira Dog, 79; Amoeba coli Not Pathogenic, 155; Bipalium, 155, 
Egg-Laying in Sagitta, 155 ; American Chetognaths, 156; Cen- 
tral American Diplopods, 158; Development of Wing Scales in 
Lepidoptera, 158; Rapid Growth of Apus, 158; HEEE ETTEN 
158; Mutilations of Redfish, 159; Reithrodontomys in Virgini 
160; Inheritance of Monodactyly in the Pig, 161; Newfoundland 
Martin, 161; Zoological News, 163, 241, 629; pilsrdides mustel- 
arium in American Skunks, 234; Appendages of Peneus, 235; 
Nerve Endings in Vertebrate Stomach, 236; Breeding of Ross’ 
Gull, 237; Mammals of Bertie Co., N. C., 237; New Vole from 
Nova Scotia, 239; New Race of Gibb’s Mole, 241; Paramoeba 
eilhardii, 344; Diplodal Sponge Chambers, 345; Asymmetry of 
Spirorbis and Relations of the Species, 345; Malpighian Tubes 
of Orthoptera, 346; Eels Eating Limulus Eggs, 347; Elas- 
coma zonatum East of the Apallachians, 348; The Human 
Tail, 349; Gases of Physalia and of Fishes, 440; Ascaris, 440; 
Excretory and Circulatory Organs of Nemertines, 441; Epitokic 
Forms in Cirratulidee, 442; Crop in Dragon Flies, 442 ; Regen- 
eration of an Antenna in Place of an Eye, 443; Variable Sutures 
in Turtle Skull, 446; List of Mammals of Raleigh, N. C., 446; 
Stichospira paradoxa, n. g. et. sp., 535; Enigmatic Strictures of 
Sipunculus, 541; Observations on Pesijathh 543; A`Myrmeco- 
philous Mite, 544; Poison of Centipedes, 544; Ear-like Organ in 
Phlceothrips, 545; “ Delarvation ” as a Translation of ‘‘ Echinil- 
ABS: 546; Orientation of Organisms by Light, 619; Relation 
‘Between Intensity of Light and Rapidity of Movement, 620; 
‘Birds of Chester Co., Penna., 623, 311, 907; On the Use of the 
Terms Heredity and Vdriability, 629; Origin of Life, 720; Life 
Cvcle of Coccidia, 721; Nephridia of the Nemertine, 722; A 
A Remarkable fe scape Cirripede, 723 ; Classification of Or- 
thoptera, 724 ; A Preserve of Black Foxes, 725; Metamorphoses 
of Leptoceptialis, 726; Fauna of Aldabra, 811; Czecal Append- 
ages of the Orthopteran Mid-Gut, 985; The Hypochoria: 985 ; 
Blood- Vessels in Epithelinm 
Entomelogy —Antennee of Lepidoptera, 80; Sleeping Trees of Hymen- 
era 
80 ; Nets Excluding Insects, 81; Life History of Sannina, 
81 ; Smith’s Economic meagre 82 ; Oceanic Migrations of 
viving Ichneumon Attack, 164; Viviparous Ephemerid, 165 ; 
Coleoptera of the Rio Grande Valley, 349; Life History of 
Xylina, 350; Notes on Dragon-flies, 351 ; Changes in Intestinal 
Epithelium of Tenebrio, 354; Insects Affecting Domestic Ani- 
mals, 449; Life History of Coleophora, 451; Studies of Mimicry, 
451; Vitality of Ephydra, 452; San Jose Scale, 547; Spruce 
