244 



INDEX. 



Cells, contents, 14 

 oil, 15 

 spiral, 25 

 Ceraphron, 122 

 Circulation of blood, 89 

 Cirnex, 112 

 Chelifer, 155 

 Chelymorpha, 122 

 Coccinella, 110 

 Coniferous wood, 28 

 Conferva, 56 

 Chlorops, 136 

 Closterium, 57 

 Coscinodiscus, 46 

 Cricket's tongue, 78 



gizzard, 78 



wing, 95 



Crystallization, 235 

 Crystals of Selenite, 235 



Acetate of copper, 237 



Sulphate of copper, 237 



Alum, 237 



Oxalurate of ammonia, 237 



Murexide or purpurate of 

 ammonia, 237 



Hydrochlorate of ammonia, 

 238 



Oxalate of ammonia, 238 



Salt of brucia, 238 



lodidi-sulphate of quinine, 

 238 



Borax orbi-borateof soda, 239 



Boracic acid, 239 



Sulphate of magnesia, 239 



Ammonio-phosphate of mag- 

 nesia, 240 



Uric acid, 240 



Nitrate of potash, 240 



Salicirie, 240 



Nitrate of silver, 240 

 Cuckoo-spit, 114 

 Culex pipiens, 125 

 Cuticle and stomata, 16 

 Cuticle of Yucca, 18 



of Aloe, 18 



of Deutzia scabra, 18 



of Amaryllis, 19 



of Indian corn, 19 



of Saccalobium, 19 



of Eteagnus, 19 



of Tillaudsia, 20 



Cuticle of Onosma, 20 

 of Opuntia, 20 

 of Hyacinth, 21 

 of Lithospermum, 21 



DESMIDIACE.E, 54 



Volvox globata, 54 



Closterium, 55 

 Diatornacese, 48 



fossil, 47 



recent, 48 



Naviculffi, 48 



Pleurosigrna, 49 



Meloseira, 49 



Achnanthes, 50 



Synedra, 50 



Bacillaria, 50 



Gomphonema, 51 



Licmophora, 51 



Rhabdonema, 51 



Grammatophora, 51 



Biddulphia, 51 



Isthmia obliqua, 52 



Arachnoidiscus, 52 



Heliopelta, 53 



Actinocyclus, 53 



Asteromphalus, 54 



Asterolampra, 54 



Coscinodiscus, 54 

 Dolichopus, 133 



ECHINTTS SPINE, section of, 220 

 Egg of (Estrus, or Bot-fly, 91 

 Elaters of Jungermannia, 41 



of Equisetum, 41 

 Elytra of Diamond-beetle, 99 

 Empis-fly, 140 

 Entozoa, 157 



TEEN (spore cases), 39 

 Flea, human, 150 



Pygidium, 151 



Mole, 151 



Fowl, 151 



Pigeon, 151 



Bat, 151 



Cat, 151 

 Foot of Syphus, 99 



Dytiscus, 100 



Wasp, 100 



Ophion, 100 



