. The ascidians collected by the United States fisheries bureau steamer Albatross on the coast of California during the summer of 1904 . 4. A tentacle of the first order. Fig. 5. The ganglion, hypophysis, and meandering course of the periphar-yngeal band, dorsal view. Fig. 6. One side of a branchial fold. Some of the stigmata are moreelongate and curved than any shown in this figure. Figs. 7 and 8.—Molgula re</iilurit>s. ^J-•::••.••:••:•> \ f^f|i-:S:fei, .1 • .^-.,, . - ,r /L- T , ^ .6. : .. PLATE 2. Figs. 17 to 19.—Boltenia ecliinata. Fig. 17. The whole animal from which
. The ascidians collected by the United States fisheries bureau steamer Albatross on the coast of California during the summer of 1904 . 4. A tentacle of the first order. Fig. 5. The ganglion, hypophysis, and meandering course of the periphar-yngeal band, dorsal view. Fig. 6. One side of a branchial fold. Some of the stigmata are moreelongate and curved than any shown in this figure. Figs. 7 and 8.—Molgula re</iilurit>s. ^J-•::••.••:••:•> \ f^f|i-:S:fei, .1 • .^-.,, . - ,r /L- T , ^ .6. : .. PLATE 2. Figs. 17 to 19.—Boltenia ecliinata. Fig. 17. The whole animal from which the description is mostly drawn,1. Fig. 18. One side of a branchial fold of the specimen shown in figure 17. Fig. 19. The whole animal, a specimen from near Point Loma, that shownin 17 being from near Point Pinos. X 4. Figs. 20 and 21.—C-ulcolus i>>/ni»ii<l« 20. Side view of the whole animal, X 21. Dorsal view same specimen, X 2. Figs. 22 and 23.—Microcosmus tmnsvcrsus. Fig. 22. Side view of the whole animal, X 1. Fig. 23. The same specimen removed from the test and the mantle cut openand laid back, X 1. Figs. 24 to 29.—Benthastidia michaclsciii. Fig. 24. The column with holdfasts, X 2. Fig. 25. A small tuft of the holdfasts, 12. Fig. 26. Some of the mantle musculature in the region of the supposedbranchial orifice. Fig. 27. The digestive apparatus and sexual organs, X L Fig. 28. Out lire of the digestive tract, showing the tuft of filiform appen-dages near the esophagea
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidascidianscollect00ritt
