760 13. COLUBRIDZ 
east of Fort Yuma, in Imperial County; and near Coachella, 
Riverside County. 
In Lower California, the only record is Volcano Lake. 
In Sonora, it has been taken at San Domingo. 
170. Lampropeltis getulus conjuncta (Cope) 
San Lucan MirLk SNAKE 
Lampropeltis boylit Cope, Proc. Acad. Nat. Sci. Phila., 1860, p. 255. 
Lampropeltis boylit conjuncta Corr, Proc. Acad. Nat. Sci. Phila., 1861, 
Ppp. 301, 305 (part) (type locality, Cape St. Lucas); Mc Lary, 
Contr. Neotrop. Herpet., 1899, p. 5; STEJNEGER & BarsBour, Check 
List N. Amer. Amph. Rept., 1917, p. 87 (part). 
Ophibolus getulus conjunctus Cope, Bull. U. S. Nat. Mus., No. 1, 1875, 
pp- 37, 92; YARRow & Hensuaw, Ann. Rep. Chief of Engineers for 
1878, Surv. W. rooth Merid., Appendix NN, 1878, p. 212; Cope, 
Bull. U. S. Nat. Mus., No. 32, 1887, p. 78. 
Ophibolus getulus boylii Yarrow, Bull. U. S. Nat. Mus., No. 24, 1883, 
p- 92 (part); Betpinc, West Amer. Scientist, Vol. III, No. 24, 1887, 
p- 98; Cope, Report U. S. Nat. Mus. for 1898, 1900, p. 919 (part); 
Terron, Mem. y Rev. Soc. Cient. Antonio Alzate, Vol. 39, 1921, 
pp: 165, 171. 
Lampropeltis conjuncta VAN Densurau, Proc. Cal. Acad. Sci., Ser. 2, 
Vol. 5, 1895, p. 142. 
Lampropeltis getulus conjuncta BuancHarp, Occas. Papers Mus. Zool. 
Iniv. Michigan, No. 70, 1919, pp. 6, 10; BLANCHARD, Occas. Papers 
Mus. Zool. Univ. Michigan, No. 87, 1920, pp. 4, -; VAN DENBURGH 
& Sievin, Proc. Cal. Acad. Sci., Ser. 4, Vol. XI, 1921, pp. 52, 68; 
Nexson, Mem. Nat. Acad. Sci., Vol. XIV, 1921, pp. 114, 115; 
BLancuHarD, Bull. U. S. Nat. Mus., No. 114, 1921, p. 89, fig. 21. 
Description —Similar to L. g. boylii. Top of head 
slightly flattened posteriorly, curving downward to the 
broad, rounded snout. Temporal regions rarely if ever 
swollen. Rostral plate large, little broader than high, hol- 
lowed below, and bounded behind by internasal, anterior 
nasal, and first labial plates. Plates on top of head are a 
pair of internasals, a pair of prefrontals, a short, broad 
frontal, supraocular of each side, and a pair of large parie- 
