Fishes collected by the United States Fisheries steamer Albatross in southern California in 1904

Charles H. Gilbert
1915 Proceedings of the United States National Museum  
would permit us to determine whether the median row of the back are laid down as a continuous series, as in K. inornata. But three embryos from a previous collection (station 3106, off San Francisco Bay, 77 fathoms) seem to throw hght on this question. They are 120, 125, and 145 mm. long, and all agree in having the rudiments of the dorsal spines distinctly shown and in having an area along the middle of the back between the anterior of the series and the base of the ventrals in which no
more » ... in which no rudiments are present. These specimens were identified m a former communication as R. inornata,'^and an attempt was made without success to trace in older specimens of R. inornata the supposed development of the spines in the gap as a secondary growth. It seems now, however, that these were the young of R. rhina, in which the gap is a primitive feature, while in R. inornata the series is primitively complete and the gap develops by the later suppression of a few of the intermediate spines. RAJA MONTEREYENSIS, new species. Plate 14, fig. 1 . Type-sj^edmen.-Cat. No. 75806, U.S.N.M., a young female, 198 mm. long, from station 4531, Monterey Bay, off Santa Cruz, California, depth 26-28 fathoms. Probably most nearly related to R. inornata, differing widely from R. inornata, rhina, and hinoculata in having the entire upper surface of the disk, except its posterior margin, covered with rather coarse prickles, which are coarsest near the mid-dorsal Ime, and grow fuier toward the periphery. In R. inornata, rJiina, and hinoculata of tlxis size no prickles whatever are present. In addition to the prickles, R. montereyensis has a series of spines on the orbital margin and au uninterrupted series of strong spines along the median line of back and tail. The anterior spine of the dorsal series occupies, as usual, a definite position between the diverging posterior ends of two series of pores which lie on either side the median line behind the occiput. The first three spines of the series are stronger than those which follow. The total number is 32, all in advance of the first dorsal fui. Area between the dorsals smooth. The orbital spines are arranged as in
doi:10.5479/si.00963801.48-2075.305 fatcat:3ljrmar5ajaldh2wa27zimtovm