is but little shorter than third; web well developed, extending nearly to end of inner digits, 2 phalanges of third and fourth toes free, feet very broadly palmate; tail slender, slightly compressed in posterior two-thirds, with rather indefinite grooves on proximal half; skin shiny, but roughened above and laterally and pitted below by the mouths of small glands; adpressed limbs separated by about the distance between 2 costal grooves. A broad band extends along the whole dorsal surface from the snout to the tip of the tail. In the alcoholic specimen this band is dark clay-color, dotted with black on the upper surface of the head. It is broadest on the back of the head and narrowest above the anus. The upper surfaces of the limbs and the side of the snout are clay-color dotted with black. A black line runs from the eye to the nostril. The hands and feet are black dotted with clay-color. The chin and central gular region are white with a few scattered black dots. The sides of the neck and the sides and lower surfaces of the body and tail are intense black with a few scattered whitish dots on the belly and sides of tail and with a zone of crowded white dots along the sides of the neck and body. Snout to anus 60 Front of anus to end of tail 56 Width of head 9 Nostril to orbit 2 Snout to orbit 4 Snout to gular fold 13 Snout to fore limb 17 Gular fold to anus 47 Axilla to groin 34 Adpressed limbs separated by 3 Fore limb 15½ Hind limb 18½ Heel to end of longest toe 7 Breadth of foot 6 SAN FRANCISCO, CALIFORNIA, December 21, 1905. PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES THIRD SERIES ZOOLOGY VOL. IV, NO. 5 _Issued March 14, 1906_ ON THE OCCURRENCE OF THE SPOTTED NIGHT SNAKE, HYPSIGLENA OCHRORHYNCHUS, IN CENTRAL CALIFORNIA; AND ON THE SHAPE OF THE PUPIL IN THE REPTILIAN GENUS ARIZONA BY JOHN VAN DENBURGH _Curator of the Department of Herpetology_ ON THE OCCURRENCE OF THE SPOTTED NIGHT SNAKE, HYPSIGLENA OCHRORHYNCHUS, IN CENTRAL CALIFORNIA