\ 





VOLUMES XXXI-XL. 





Zeeman simplification, 



en and Back. 35, 630.. 



Zellforschung, Archiv fiir, Gold- 

 idt, 34. 308; 35. 2 



Zerfallprozesse in dor Natur, 

 Engler, 33. ?9Q- 



Ziegel. H., Metallurgical Analy- 

 sis, 40, 516. 



Ziegler, V., siliceous oolil 



nsylvania, 34, 113; Black 

 Hills minerals. 38, 104. 



Zinc, cadmium and mercury, sul- 

 phides oi. Allen and Crenshaw, 

 34, 341; microscopic study, Mer- 

 win, 34. 383- 



Zinsser, H., Infection and R 

 ance, 39. 



von Zittel. K. A., Grundziig 



Zoologica, Bibliotheca, II, Tasch- 



Zoology, I tier, 35, low. 



. taugherty, 34. 

 36, ! 



— Into 1 to. Hegner, 31, 



Lulham. 36, 



— Invertebrate. Drew. 37, 123. 

 ZOOLOGY. 



Animal-. Germ-cell Cycle. 



ner. 39, 324. 

 Anthozoa, mesenteries in zo- 

 om 



_ land, Van 

 • ie, 35. 1 U- 

 Bir cticut. Sage, 



op and Bliss, 37. 4$4- 



— and insect-, metallic color- 

 in,?. Michelson, 31, 568. 



— I ttracting, Traf- 

 ton. 31. 



— of Michigan, Barrows, 35. 

 116. 



British Museum Catalogue- 

 British Museum. 



ZOOLOGY. 

 Copepoda, British Parasitic, 

 .Scott, 37. i-~|. 

 <- nnoid faunas, ("lark. 32, 127; 



40. 60, 07. 

 Firefly, Coblentz, 34. 92. 

 Hydroids, American. Nutting, 



39- 684. 

 [nsects, [njurious, Rerrick, 39, 



— See Insects. 

 Lepidoptera, Catalogue, see 



British Museum. 

 Mammals, North American 



■ id. in the (". S. Nat. Mu- 

 seum, 35, 642. 

 Medusae of the World, Mayer 



31. 

 Mollusca, British Xndihranchi- 

 ate. Eliot. 31, 82. 



— of the Californian Province, 

 Hannibal. 35, 548. 



— Life of. Woodward. 37. 

 Protistenkerne, Hartmann, 32, 



83. 

 Reptile-. Water, Williston, 40, 

 217. 



the North Pacific 

 Coa-t. Verrill, 38, 107, 188. 



— Sub-family Asterininae, Yer- 

 rill, 35, 477: 37, 483. 



— of the West Indies, etc., 

 Verrill. 39, 684. 



Tunicata. British. Hancock and 

 Alder. 34, 96. 



Bibliography. 1469-1910. 



Hopkinson. 37, 124. 



Ungulate Mammal- in the Brit- 

 ish Museum, catalogue. 38, 



39. 



»ra, ( rriffini, 34, 4; 

 GEOLOGY. 



