English: Plate XV., p. 198, fig. A.-- Nest of Cteniza Californica (Camb.) nearly entire, enclosed in the clayey earth of the bank from which the specimen was taken, the door being artificially represented as being partly open ; A 1, door of the same as seen when closed ; B, Cteniza Californica (Camb.) from a livng specimen ; B 1, the same seen in spirits, the legs not represented; B 2, the same seen sideways; (figs. A, A I, B, B 1 and B 2, are of the natural size) ; B 3, the eyes, greatly magnified ; B 4, the three claws terminating the tarsal joint of the hindmost left leg; B 5, line representing the measured length of the spider excluding the falces and spinners, the uppermost division gives the length of the caput terminating at the half-moon-shaped fovea, the middle division that of the thorax, and the lowest that of the abdomen, while the transverse line gives the breadth of the cephalothorax ; B 6, eggs laid by the spider in captivity on the under side of the gauze which covered the box (the position is reversed here) of the natural size; B 7, the same magnified; B 8, another group of eggs, magnified; B 9, a portion of the same still more highly magnified; B 10, lines showing measured lengths of legs of the 1st, 2nd, 3rd, and 4th pairs, and of palpus, with those of the several joints.