INDEX 



Abbot, J. F., 226 



Acarina (mites), 175 



Achorutes socialis, 190 



Acilius, 268 



Acris gryllus, 376-378 



Acroneuria pacifica, 195 



Adam's pitcher, 97 



Mdes, 98 



/EschinincE, 218-220 



Agrion, 220-221, 222; {Calop- 

 teryx) maculatum, 220- 

 221 



Air-net, for collecting, 28 



Alcohol, as preserving agent, 

 28, 36, 40, 41 



Alderflies, 240, 241-243; eggs, 

 242; larvae, 242; smoky, 

 241-243 



Alexander, C. P., 286, 287 



Algae, Frontispiece, 46-51, 

 192; "blanket", 31, 34, 50; 

 Blue-green, 47-48; Brown, 

 47 ; classes of, 47 ; collection 

 of, 31 ; Diatoms, 47, 51 ; fila- 

 mentous, 239, 286; Green, 

 34, 36, 47, 48-51, 52, 121; 

 in aquaria, 40; in riffies and 

 rapids, 33-34; in springs, 

 34; in waterfalls, 25; light 

 needed by, 10, 11; marine, 

 47; mats of, 144, 303; ooze 

 of, 260; Red, 47; Yellow- 

 green, 47 



Alisma, 237; Plantago-aqua- 

 tica, 78-79 



AlismacecB, (Water plantains 

 and arrowheads), 76-79 



Allocapnia, 193, 194; vernalis, 

 198 



Alloperla, 196 



Ambystoma, 35, 351; je-0er- 

 sonianum, 361-362; macu- 

 latum, 348, 351, 354, 357- 

 358, 384; opacum, 360, 361 ; 

 tlgrinum, 358-360 



AnihystomidcB {mole salaman- 

 ders), 357-358 



Ameirus melos, 338; nebulosus, 



337-338 



Ameietus, 210 



Amnicola, 314; limosa, 313; 

 limosa porata, 313 



Amnicolidce, 313, 314 



Amphibians, 347-388; aquar- 

 ium and vivarium study, 

 351-352; breeding habits, 

 349-350; food, 348; frogs, 

 12, 17, 28, 30, 31, 34, 35, 

 36,40,41,50, 156,373-380; 

 giant salamanders, 352- 

 353; habitat, 348; habits, 

 347-348; life history, 350- 

 351; lungless salamander, 

 362-366 ; mole salamanders, 

 357-363 ; mud-puppies, 1 19, 

 347, 366-368; newts, 207, 

 347, 352, 353-357; toads, 

 35, 347-352, 368-373 



Amphipoda (scuds), 161, 169 



Amy da spinifera, 402-404 



Anahcena, 48 



Anax, 219-220, 264; Junius, 

 219 



Ancylidce, 312-314 



Ancylus, 34, 312-314; paralle- 

 lus, 313, 314; rivularis, 313, 



314 

 Andrews, E. A,, 172 



431 



