44 U.S. NATIONAL MUSEUM BULLETIN 278 



and Utinomi's C. scaura f. hamata do not bear a ventral spine between 

 the insertions of gnathopods 2 as do Mayer's varieties calif ornica 

 (1890), scauroides (1903), and spinirostris (1890). 



Dougherty and Steinberg (1953) separated C. scaura f. ccUiJornica 

 as a distinct species and reestablished Stimpson's (1857) name C. 

 calif ornica. This action was justified; however, they did not state 

 what should be done with the other two varieties which bear the ven- 

 tral spine. These varieties are closely related and appear to be limited 

 to the North Pacific. No material of the Asian varieties is available to 

 me and I am not able to comment on their taxonomic position. The 

 synonymy, therefore, includes only those references which refer to 

 those varieties which do not bear the ventral spine. 



Barnard (1925) considered C. laevipes Mayer, 1903, a synonym of 

 C. scaura. C. laevipes appears to be distinct from C. scaura since the 

 pereopods do not bear grasping spines and Barnard's synonymy has 

 not been followed. 



The Caribbean material appears to be most closely related to C. 

 scaura f. typica which has previoulsy been taken from St. Croix and 

 St. Barthelemy. 



C. scaura has been taken on red and brown algae, sea grass, bry- 

 ozoans, and on a sea urchin. 



Caprella septentrionalis Kr0yer, 1838 



Figures 19-22, 51 



Squilla lobata [not Miiller].— O. Fabricius, 1780, pp. 248-2-19. 



Caprella septentrionalis Kr0yer, 1838, p. 318; 1842-43, pp. 590-596, pi. 8, figs. 

 10-19.— Boeck, 1861, p. 677; 1870, p. 276 (196); 1873-76, pp. 696-698.— 

 Bate, 1862, p. 355, pi. 56, fig. 3.— Goes, 1866, p. 534.— Packard, 1867, p. 

 297.— Liitken, 1875, p. 1.59.— Schi0dte, 1875, p. 224, pi. 5, figs. 1-8.— 

 Norman, 1876, p. 209; 1886, p. 26; 1902, p. 483; 1905a, p. 26.— Miers, 1877b, 

 p. 139; 1880, p. 69.— Meinert, 1877-1878, pp. 171-172; 1880, p. 495; 1890, 

 pp. 184-185.- M. Sars, 1858 (1859), p. 150.— Hoek, 1882, p. 65.— Mayer, 

 1882, pp. 62-64, figs. 20-22; 1890, pp. 65-68, pi. 2, figs. 26-33, pi. 4, fig. 31, 

 pi. 6, fig. 38; 1903, pp. 120-123, pi. 5, figs. 19-21, pi. 8, fig. 24.— Stuxberg, 

 1882, p. 764; 1887, p. 73.— Schneider, 1883, p. 30; 1884, pp. 130-131; 1891, 

 pp. Ill, 122; 1924 (1926), p. 60.— Koelbel, 1886, p. 42.— G. Sars, 1886, 

 pp. 69, 89; 1895, pp. 659-660, 700, pi. 237, fig. 1.— Hansen, 1887b, pp. 173- 

 174.— Vosseler, 1889, p. 159.— Pfeffer, 1889 (1890), pp. 87, 94.— Klinckow- 

 strom, 1892, p. 90.— Ohlin, 1895a, pp. 63-64, xvii, xix; 1895b, p. 486.— 

 Vanhoffen, 1897, pp. 202, 203, 213.— Scott, 1899, p. 81; 1901, pp. 267- 

 268.— Ortmann, 1901, pp. 155-156.— d' A. Thompson, 1901, p. 42.— Lonnberg, 

 1902 (1903), p. 50.— Holmes, 1904 (1905), p. 527.— Nordgaard, 190'j, 

 p. 185.— M. Rathbun, 1905, pp. 7, 78-79.— M. Grieg, 1907, p. 527.— Briiggen, 

 1909, p. 43.— Stephensen, 1913a, pp. 223-225; 1913b, p. 68; 1916, p. 295; 

 1927a, pp. 148-149; 1927b, p. 13; 1928, pp. 384-386, fig. 92 (5-10); 1929a, 

 pp. 179-180, fig. 334; 1929b, pp. 20, 34; 1933, pp. 60, 77; 1935, p. 188; 1940, 

 pp. 73-74; 1942, pp. 439-441, 502, 503; 1944b, pp. 136-137, 148, 159, 162.— 

 Bjcrck, 1915, p. 36.— Derjugin, 1915, pp. 453, 456; 1928, p. 282.— Oldevig, 



