52 AMERICAN HYDROIDS. 



Sertularia /nimUi-i GRONOVIUS, Zoophylacium gronovianum, Ft. 3, 1781, p. 357. 

 ,\iiii/ni -HI jiiniii/ii CAVHI.IXI, Kil. Memoirs per servire alia storia dei Polipi marini, 17S5, p. 216. 

 .s'i >, in/in 'in jMiiiila ELLIS and SOLANDER, Nat. Hist. Zoophytes, 1786, p. 40. 



fiirlitltiriit jiiiiiiiln WILKINS and MEREST, in Pallas, Characteristik der Thierpflanzen, 1787, p. 169. 

 Si'i-tnlariii /iiiini/n (JMELIN, in Linnaeus, Systema Nat.une, 13th ed., 1788-1793, p. 16!). 

 J>i/iiiiiiniiii /iiiiiiiln ESPER, Die Pflanzenthiere in Abbildungen, III, 1788-1830, p. 196. 

 Si i-liiliii-in /iiniiila HKRKENHOIT, Synop. Nat. Hist. Great Britain, I, 1789, p. 215. 

 iiiiiiiln OLIVI, Zoologia Adriatica, 1792, p. L'ss. 



i'da ESPER, Fortsetzungen der Pflanzenthiere, II, 1794-lsoii, p. 10. 



/iiniiiln Bose, Hist, naturelle des Vers, 1802, p. 195. 

 i /iiniii/ii TI'RTON, British Fauna, 1807, p. 212. 



lamai-isca BERTOI.ONI, Rariorum It:ili;i- plantarum decas tertia, 1810, p. 106. 

 Scrtnlri<i /iiiniila JAMESON, Catalogue of animals of the class Vermes, 1811, p. 564. 



iniii mi (Sertularia) juimiln LAMOUROUX, Nouv. Bullet, des Sc. par la Soc. philomatique, III, 1812, p. 184. 



(Si'rtularia) pumila. OKEN, Lehrbuch der Naturgeschichte, Pt. 3, 1815, p. 93. 

 Si'iiiilnrin jiiiinila LAMARCK, Hist. Nat. des Anim. sans Vert., II, 1816, p. 119. 



i /mmila LAMOUROUX, Hist, des Polypiers, 1816, p. 179. 



ria pumila STEWART, Elements of the Natural History of the Animal Kingdom, 2d ed., II, 1817, p. 441. 

 rin /militia BEKTOLONI, Specimen zoophytorum Portus Lump, 1819, p. L'lis. 

 Si'iiii/ni-iii /itniiilii LAMARCK, Hist. Nat. des Anim. sans Vt-rtebivs, I'd ed., 1836, p. 145. 

 S'l'rtiilnriit /iiiniila HASSALL, Ann. and Mag., VI, 1841, p. His. 

 ,s f , i hi/nria pumila HASSALL, Ann. and Mag., VII, 1841, p. 284. 

 Sfiiiiliirin piuiiilu MACGILLIVRAY, Ann. and Mag., IX, 1842, p. 463. 

 Sertularia puntila GRAY, List British Animals, 1847, p. 70. 

 Si'i-luliiria pumila JOHNSTON, Hist. Brit. Zoophytes, 2d ed., 1847, p. 66. 

 Hertu/ariu /nnnila. ALDER, Catalogue Zoophytes Northuuib., 1857, p. 24. 

 Dynamena pumUa AGASSIZ, L., Contrib. Nat. Hist, U. 8., IV. 1862, p. 326. 

 Dynamena pumila PACKARD, Canadian Naturalist, Dec., 1863, p. 4. 

 Dynamena pumila KIRCHENPAUER, Neue Sertulariden, 1864, p. 8. 

 Dynamena pumila AQA.BSIZ, A., North American Acalephw, 1865, p. 141. 

 Dynamena pumila VAN BENEDEN, Faun;e litorale de Belgique, 1866, p. 186. 

 Sertularia pumila HINCKS, British Hydroid Zoophytes, 1868, p. 260. 

 Sertularia pumila VERRILL, Invert, Vineyard Sound, 1871-2, p. 732. 

 Sertutaria pumila SARS, Bidrag til Kundskaben, 1873, p. 49. 

 .^n in/aria pumila VERRILL, Proc. Amer. Assoc. Adv. Sci., 1873, pp. 370, 374. 

 Sertularia pumila MC!NTOSH, Ann. and Mag., 4th ser., XIII, 1874, p. 212. 

 Si i-hilaria pumila VERRILL, Amer. Journ. Sci. and Arts, VII, 1874, p. 133. 

 Sertularia pumila SCHULZE, Nordsee Exped., 1874, p. 132. 

 Sertularia pumila COUGHTREY, Ann. and Mag., 4th ser., XVII, 1876, p. 29. 

 Sertularia pumila CLARK, Hydroids of the Pacific Coast, 1876, p. 251. 

 Sertularia pumila MERESCHKOWSKY, Ann. and Mag., 5th ser., I, 1878, p. 323. 

 Sertularia pumila WINTHER, Om Internodiets, etc., 1879-80, p. 304. 

 Sertularia pumila WINTHER, Fortignelse di i Danmark Hydr., 1880, p. 245. 

 Sertularia pumila DE VARENNE, Sur la Reproduction des Polypes Hyd., 1882, p. 27. 

 Sertularia pumila WEISMANN, Entstehung der Sexualzellen, 1883, p. 169. 



[>fi mi ntena pumila MARKTANNER-TURNERETSCHER, Hydroiden des k. k. naturhist, Hofmus., 1890, p. 239. 

 ,s, rt nli i na pumila BOURNE, Hydroids of Plymouth, 1890, p. 396. 

 Sertularia pumila DRIESCH, Tektonische Studien, 1890, p. 213. 

 Ser tularia pumila FH\VKES, Guide to Collector, 1891, p. 39. 



Si-rtiilaria ( Ih/nuiiii 'mi ) jmtnila LEVINSEN, Medusa', Ctenophorer, etc., 1892, p. 50. 

 !*ai-inlar'ipuinil<i LEVINSEN, Det Vidensk, Udbytte af Kanonbaaden "Hauchs" Togter, 1893, p. 370. 

 K'ritiltn-iii /"(mil" CRAWFORD, Ann. and Mag., 6th ser., XVI, 1895, p. 261. 

 Sertularia pumila HARTLAUIS, Hydromedusen Helgoland, 1897, p. 451. 

 Si'iiiiluriii jiiniiila BONNEVIE, Norwegian North Atl. Exped., 1899, p. 79. 

 Sertularia pumila NUTTING, Hydroids of the Woods Hole Region, 1901, p. 359. 

 .Si i-tiiliiriii /mini/a HARGITT, American Naturalist, 1901, p. 389. 



Si'i'tiiliiri'i /iiniii/ii \\'nn KAVES, Catalogue Marine Invert. Eastern Canada, 1901, p. 25. 

 Sertularia /niinila S.EMUNDSSON, Islandske Hydroider, 1902, p. 63. 



i'. Colonies growing in tufts from a creeping root stalk, attaining a height of 

 about '2 inches, stem not fascicled, straight, divided into regular internodes, each of which bears 

 a pair of hydrothecBB, or a pair of hydrothecse and a pair of branches; every third in tern ode 

 usually bearing branches, each pair of hydrothecse and their internode forming a triangle. 



