416 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



Family SABEIXARIDAE 



42. Sabellaria floridensis Hart man, 1944. 



By Hartman, 1944, pp. 345-346, pi. 31, from south- 

 western Florida, and by Rioja, 1946, pp. 196-198, figs. 

 2-9, from Pla}'a de Tecolutla, Mexico. Associated with 

 shells. Not known elsewhere. 



43. Sabellaria vulgaris beaufortensis Hartman, 1944. 

 Recorded by Rioja, 1946, pp. 195-196, fig. 1, from 



Tecolutla, Mexico, on mollusk shells, with the preceding 

 species. This may be the Sabellaria vulgaris by Gary 

 and Spaulding, 1909, p. 9, from Louisiana, on shells. 

 Elsewhere known from North Carolina. 



Family TEREBELLIDAE 



44. Pista cristata (Muller), 1788. 



Recorded by Rioja. 1946, p. 198, from Tecolutla, Mexico, 

 on mollusk shells. Cosmopolitan in report. 



45. Loimia medusa (Savigny), 1818. 



Recorded by Hartman, 1945, p. 46, pi. 10, figs. 2, 3, 

 from Lemon Bay, southwestern Florida, from large boulders 

 in sand, below intertidal zones. Elsewhere known from 

 all warm seas. 



46. Thelepns setosus (Quatrefages) , 1866. 



Reported by Rioja, 1946, p. 198, from Veracruz, Mexico, 

 in sandy tubes. Elsewhere known from cosmopolitan 

 areas, in warm seas. 



47. Terebellides stroemi Sars, 1835. 



Recorded by Rioja, 1946, p. 198, from Veracruz, Mexico, 

 in mud bottom from a few meters depth. Cosmopolitan 

 in dredged depths. 



Family SABELLIDAE 



48. Megalomma biociilatum (Ehlers), 1887. 



Recorded by Rioja, 1946, p. 199, from Veracruz, Mexico, 

 from among algae. Elsewhere known from the West 

 Indies. 



49. Hypsicomus circumspiciens Ehlers, 1887. 



By Rioja, 1946, p. 199, from Veracruz, Mexico, from 

 mollusk shells. Common in West Indian seas and north 

 of Venezuela. 



50. Sabellaslarte magnifica (Shaw), 1800. 



By Augener, 1922, p. 48, from Veracruz, Mexico, and 

 as Sabellaslarte indica by Rioja, 1946, pp. 198-199, from 

 Veracruz, Mexico. Reputedly circummundane in tropical 

 seas. 



51. Branchiomma bairdi (Mcintosh), 1885. 



As Dasychone bairdi Augener, 1922, p. 49, from Veracruz, 

 Mexico. Elsewhere known from the West Indies and 

 Bermuda. 



Family SERPULIDAE 



52. Eupomalus protulicola (Benedict), 1887. 



Recorded by Rioja, 1946, pp. 199-200, figs. 10-13, 

 from Pinna (mollusk) shells at Tecolutla, Mexico. More 

 widely known from southeastern United States. 



53. Pomaloeeros minutus Rioja, 1941. 



Reported by Rioja, 1946, pp. 201-202, from Veracruz, 

 Mexico, on algae; elsewhere known from western Mexico. 



54. Pomaloeeros (Pomatoleios) caerutescens Augener, 1922. 

 By Augener, 1922, p. 50, from Campeche Bank, Gulf 



of Mexico. Not otherwise known. 



55. Eupomalus dianthoides Augener, 1922. 



As Hydroides (Eupomalus) dianthoides Augener, 1922, 

 pp. 49-50, from Veracruz, Mexico. Not otherwise known. 



56. Vermiliopsis bermudensis (Bush), 1907. 



As Vermilia bermudensis by Rioja, 1946, pp. 200-201, 

 from Tecolutla, Mexico, on mollusk shells. More ex- 

 tensively known from Bermuda. 



57. Vermiliopsis annulata (Schmarda), 1861. 



By Rioja, 1946, p. 201, from Tecolutla, Mexico, on 

 mollusk shells. Otherwi.se known from the West Indies 

 and Colombia on the Atlantic side. 



58. Salmacina dysteri (Huxley), 1855. 



By Rioja, 1946, p. 202, from Veracruz, Mexico, on 

 tubes of Sabellaslarte. Possibly circummundane in 

 distribution. 



59. M ereierellopsis prietoi Rioja, 1945. 



Described by Rioja, 1945, pp. 412-417, 2 pis., from 

 Tecolutla, Mexico and vicinity, in brackish water from 

 mangrove esteros. Not otherwise known. 



APPENDIX ON SOME ECOLOGICAL ASSO- 

 CIATIONS 



Brackish or estuarine species: 



Laeonereis culveri, Lycastopsis lecolullensis, Neanthes 

 succinea, Nereis pelagica occidenlalis, Nereis otigohalina 

 and M ereierellopsis prietoi. 



Crevice dwellers, or on piles, or in oyster, ascidian, and 

 sponge clumps: 



Lepidonotus sublevis, Lepidonotus variabilis, Halosydna 

 leucohyba, Harmothoe aeuleata, Harmothoc trimarulata, 

 Nereiphylla fragilis, Eumida sanguinea, Nereis riisei, 

 Eunice spp. 



Associated with algae: 



Platynereis dumerilii, Ly.ndice ninelta, Eunice spp., 

 Polyophthalmus pictus, Megalomma bioculatum and Poma- 

 loeeros minutus. 



In sand or sandy mud or gravelly mud or mud and clay: 



Sthenelais articulata, Eteone heteropoda, Ancistrosyllis 

 bassi, Loandalia americana, Neanthes succinea, Nereis 

 largoensis, Nereis pelagica occidentalis, Nereis oligohalina, 

 Laeonereis culveri, Lycastopsis lecolullensis, Glycera ameri- 

 cana, Diopalra cuprea, Marphysa sanguinea, Lumbrineris 

 bassi, Lumbrineris parvapedata. Lumbrineris inflata, 

 Nerine agilis, Arenicola cristata, Branchioasychis americana, 

 Terebellides stroemi and Merciereltopsis prietoi. 



On mollusk shells: 



Sabellaria floridensis, Sabellaria vulgaris beaufortensis, 

 Pista cristata, H ypsicomus circumspiciens, Eupomalus 

 protulicola, Vermiliopsis bermudensis, Vermiliop.^is an- 

 nulata. 

 From floating logs: 



Amphinome rostrnta and Hipponoe multibranchiata. 

 Commensal in tubes of worms: 



Lepidametria commensalis. 

 Boring in calcareous shells: 



Polydora wcbsteri. 



