44 CALIFORNIA ACADEMY OF SCIENCES [Proc. 47H Ser. 
Head black; neck black with light vertical bars or incomplete rings, the 
first just behind the head; body black marked with lighter rings; tail black 
with light rings or vertical bars. The light bars or rings are much wider 
on the sides and below than on the back. The upper portion of each 
light ring is gray, while the lower half or more is clear yellow. The 
tubercles of the gastrosteges are black. There are 45 bands on the body 
and six on the tail. 
Total length 752 mm. 
Length of tail 77 mm. 
Diameter of neck 6 mm. 
Diameter of body 20. mm. 
Variation—The following table shows the variation in 
the more important characters: 
Diam- | Scale 
Length eter Rows 5) in x a “q | Bands 
cimen Ea Bid ls} es 22) 5 
Sot nia |e] ela) g 8 S| eas = Saline 
So i|e|S/el|ea]s| @] 2] 2] Sisal s| oa 
fA HI/42/91/4/8)1 6 ||] laa) Be] Asa 
SOO] eer ATA | 4515 115) 271 40)333)4 | 1.| 1 | 7 |1-1) 4613 
T5Q0O2Z0 ea es 487 |41] 6 | 14|28/42|365| 4] 1] 1 | 6 {1-1/41} 1 
L5OOS Se eye @ | 518 | 47| 6 | 14] 26|39;370| 4) 1] 1 | 6 |1-1)44| 4 
LSOOF eee @ | 579145] 6 | 16] 29] 46}394) 4] 11] 1 | 6 J1-1)49] 5 
IESTOO Sys aati | 587 161] 6115] 26] 41]345| 4 | 1 | 1 |6-7/1-1) 43} 4 
P5OO0G EERE hie © | 676 | 69) 6 |16|24|}38|323| 4 | 1 {1-2} 6 |1-1141] 5 
iBOOT eee 679 |71| 6 |17)25|38 [381] 4) 1] 1 |s-6|-5/47| 4 
USO Rls dea ao | 701 154] 6 | 23|29|441371| 4] 1] 1 | 6 11-1153] 4 
TSO0O see ee 717 |74| 6 | 20| 26} 42|358| 411) 1 | 6 |1-1/54] 5 
PSOLO Reed ele | 718 | 80] 6 | 21} 27) 44) 365] 4 | 1] 1 | 6 |1-1) 46) 4 
SOU oe he 721 |77| 6 | 18| 28} 42|356| 4 | 1 |1-0|7-8|1-1] 47 | 3 
PSOT 2H ey ni B'| 723. \75 6 | 19°27) 44336) 4) i 1) 6 Vaan 
USO US a ele ae 2 | 743 | 59] 6 | 26) 28|42|390} 4 | 1] 1 | 6 J1-1/ 49} 3 
SOA area de © | 748 |67| 6 | 23| 28) 42| 384) 4) 1] 1 | 6 |1-1) 46] 6 
SOT SRS fs Q | 752 |58| 7 | 24) 28) 44) 379] 4 | 1 | 1 | 6 J1-1/ 47) 3 
15016 Type ....| g'| 752 |77| 6 | 20} 28| 44 | 360) 5 | 1 | 2 | 6 |1-1] 45] 6 
LESSON ARISE LANNE 771 |67| 6 | 21 | 26| 42| 380} 4 | 1 | 1 |6-7}1-1| 49} 6 
T5OUS eae L8ONTIN FT 20 NZS VA So5 | selon lone a2 es 
British Museum] ‘| 651 | 66 28|41|320| 4 | 1 |1-2| 7 |1-1]50} 3 
Senckenberg... 340 | 32 29 | 44 | 386 
Average... 27 \A2N 361) 41) 16 WoL 
An accurate idea of the difference in the length of the tail 
between the male and the female is to be seen in the specimens 
No.) 15016" andi No» 150152 this is) 7Ol9Me or exactly yZ ae 
longer in the male. 
In No. 15002 the right anterior temporal enters the rim 
of mouth, and the left is fused with the sixth superior labial. 
Fresh Coloration.—The following notes on coloration were 
made from fresh specimens. 
