DUNN: AMPHIBIA CAUDATA. 457 



A. maculatum. Legs overlap, slimmer, belly not pigmented, more 

 definite demarcation between back and belly, tail not blotched, 

 head smaller, no stripes. 



A. jcffcrsonianum. Legs overlap, slimmer, belly not pigmented, 

 dark line at demarcation between back and belly, tail with 

 black blotches above, white stripe on side above insertion of legs. 



39. AmB YSTOM A MACULATUM (Shaw) . 



Canada: St. Lawrence, 208. — Nova Scotia, 942. — New England, 1,867. — 

 Me.: Norway, 945 (2); Upton, 948; Waterville, 2,017 (2).— N. H. 

 Amherst, 971; Choconia, 2,763.— Mass., 153; 199; Amherst, 955 

 Auburndale, 219 (2); Berkshire County, 946; BrookHne, 949; 1,991 

 Cambridge, 951; Lynn, [1,482]; 1,994 (5); Maiden, 954 (2) Quincy 

 4,345; Salem, 1,993; 2,018; Springfield, 2,070 (2); Waltham, 213 (2) 

 Ware, 944.— N. Y.: Ithaca, 4,346-4,350 (5 larvae); Rome, 181 (2) 

 Somerville, 168; 188 (2); Tupper Lake 1,238 (3 larvae).— N. J.: Camp- 

 gaw, 4,260. — Pa.: Sullivan County, 2,001 (2); — Ind.: Bloomington, 

 2,071.— Mich.: Olivet, 4,351.— Tenn.: Knoxville, 947.— S. C: Charles- 

 ton, 182.— La.: New Orleans, 2,019; Port Hudson, 956. 



40. Ambystoma tigrinum (Green). 



S. C: Charleston, 245 {SaduUsand larvae); 246 (6).— Omo: Columbus, 963; 

 4,357-4,359 (3 larvae); Rockport, 169.— Ky.: Louisville, 2,294.— Ind.: 

 Kokomo, 4,354-4,356 (3 larvae); New Albany, 4,686, 4,687 (2 larvae).— 

 III.: Athens, 2,013 (2); Evanston, 414; Kendall, 2,014; Lawn Ridge, 

 962 (3); Peoria County, 968; Peoria, 967.— Iowa: BurUngton, 152 (3); 

 4,540; [Davenport, 966].— Mich.: Lansing, 2,072.— [Minn. : Minne- 

 apohs, 4,543; 4,544]. 



With the exception of one of the specimens from Athens, III., the 

 preceding are all spotted. 



With the exception of a young one (2,043 from Kansas) the follow- 

 ing are barred. This is the difference between the forms of races A. 

 tigrinum and A. mavortiuvi. The Calif ornian specimens {A. calif or- 

 niensc) have more yellow than most of those from east of the Rocky 

 Mountains. 



Kans., 281 (3kTOae); 2,043 (2).— Dakota, 1,738; 1,739(2); Wy.; Cheyenne 

 981; 2,217 (3 adults and eggs); Fort Bridger, 982; 4,528; Lake Como, 

 1,209 (2); 2,057; Northeastern, 1,682.— Col., 984.— Utah: Southern, 

 4,353.— Cal.: Mayfield, 2,344; Palo Alto, 2,343 (5 larvae); 2,345; 

 2,356. 



