200 



INDEX. 



Page. 



Elegans group 41, 



42, 66, 67, 68, 120, 130, 157, 158, 195 

 EUicott, E. L 13 



Eques 17, 



18, 33, 34, 38, 41, 43, 62, 67,. 86, 132, 158, 

 165, 166, 168, 171, 172, 173, 186, 187, 189 

 Eutaenia (sec also Synonymy of each 



form) 8 



Exuviation 14 



Eye, relative position of 9, 25, 39 



F. 



Faireyi 98 



Fitzinger, L. I '. 8 



Flavilabris 44, 49, 56, 57 



Food (see also Description of each 



form) 12 



Forms 3, 6, 



39. 40. 41, 43, 188, 189, 190, 191, 192, 194 



Fowler, H. W 93, 95 



Frontal 8, 39. 



G. 



Garmen, H 100, 168, 177 



Garmen, S 1, 5, 66 



Geneials. (See Chin shields.) 

 Geographic variation. (See Variation.) 

 Girard, C, and Baird, S. F. (See Baird 

 and Girard.) 



Godmani 164, 165 



Graminea 176, 184, 185 



Gregarious tendency 13 



Grinnell, J. and Grinnell, H. W_- 133, 168 

 Groups of garter snakes (-see also 

 Radix, Sauritus, Elegans, and Sir- 



talis groups) 39,40,41,42,187 



Gunther, A. C. L. G 100, 125, 165 



H. 



Habitat. (See Habits.) 



Habits (see also Description of eacli 



form) 7, 12, 190, 192 



Ilallowell, E 173, 176 



Hammondi 8, 17, 34, 36, 40, 42, 43, 66, 



67, 120, 124, 133, 145, 146, 147, 157, 158 



Hay, O. P 13,14,35,80,88 



Haydeni 70, 84, 85 



Heilprin, A 46 



Henshawi 138, 146 



Hibernation 13,179 



Hill, R. T 60,61 



Hyde, J 191 



I. 



Infernalis 138, 147, 148, 156 



lufralabials. (See Labials.) 



lusigniarum 44, 45, 54, 56, 57 



Internasals 8 



Isolation 6, 193 



J. 

 Jordan. D. S 192 



K. 



Kennicott, R 44, 53, 84, 133, 145 



Key to Garter snakes 43 



L. Page. 



Labials (see also Description of 



each form) 9, 11, 15, 22, 40, 41 



Lateral spots. (See Spots.) 

 Lateral stripe (see also Description 



of each form) 4, 11. 35. 40, 41, 42 



Loptocephalus 5, 13S, 147, 148 



Lineolata 138, 145 



Linnaeus, Carl von 8, 112, 176 



Loreal 8 



M. 



Macrostemma 44, 45, 54, 56, 57, 121, 125 



Maps 8 



Marcianus 11. 34, 35. 37, 38, 40, 42, 43, 



44, 58, 70, 71. 78, 86, 96. 97, 106, 147 



Material examined 7 



Meek, S. E 8, 158 



Megalops-__ 17, 18. 25. 26. 29. 34. 36, 37, 38, 



40, 43, 44, 58, 68, 69, 70, 71, 86, 87, 96, 



97. 106, 107, 132, 189, 195. 



Melanism .34. 38, 57, 145 



Melanogaster___ 9. 11, 12. 34, 38. 41, 44, 45, 



120, 121. 123. 124, 130, 137, 157, 158 



Melanotaenia 70, 80 



Meldola, R 2 



Mental plate ^ : 9 



Merriam. C. Hart 138 



Mesomelaena ^ 124 



Mesomelanus 124 



Methods. (Sec Taxonomy.) 



Morse, M 88, 92, 185 



Multimaculatus 120, 123 



Mutations 194 



N. 



Nasals 8 



Natricidse 8 



Natrix 8 



Nigrolateris 58, 64 



Nostril 8 



O. 



Obscura ^ 87,'88, 92, 176, 185 



Occipitals 8 



Ocellata 158, 159, 163, 171 



Oculars. (See Preocular and Post- 

 ocular.) 



Olyrapia 147. 156 



Ordinatus 176, 182, 184, 185 



Ordinoides 5,6,8,9, 



17, 22, 24, 26, 27, 31, 34, 36, 38, 41, 42, 44, 

 90, 120, 144, 147, 157, 158, 176, 189, 194 



Origins 5, 119, 187 



Ornata 158, 159 



Orthogenesis (see also Definite varia- 

 tion) •_ 194 



Ortmann, A. E 192 



P. 



I'aliBechinoids 21 



Pallidula 176, 184, 185 



Palmen ^-- 187 



Parallelism 5, 158, 188, 189 



