. Bulletin - United States National Museum. Science. ISOPODS OF XORTH AMERICA. 87 CIROLANA MAVANA Ives. Cirolana inayana Ives, Proc. Acad. Nat. Sci. Phil., 1891, pp. 186-187, pi. vi, fijis. 3-10.—Richardson, Proc. U. S. Nat. Mus., XXTII, 1901, j). 512.—Moore, Bull. U. S. Fish Comin., XX, Pt. 2, 1902, p. K56, pi. viii, figs. 1-5. Localitiefi.—Coast of Yut-atan; Santa Marta, United States of Colom- bia; Boqueron Bay and Culohra, Porto Rico; Brandon's, Barbados Beach; San Francisco Bay, Lower California. A large number of dried specimens from San Fi-ancisco Bay, Lower. Fig. 66.—Cirolana mayana (A


. Bulletin - United States National Museum. Science. ISOPODS OF XORTH AMERICA. 87 CIROLANA MAVANA Ives. Cirolana inayana Ives, Proc. Acad. Nat. Sci. Phil., 1891, pp. 186-187, pi. vi, fijis. 3-10.—Richardson, Proc. U. S. Nat. Mus., XXTII, 1901, j). 512.—Moore, Bull. U. S. Fish Comin., XX, Pt. 2, 1902, p. K56, pi. viii, figs. 1-5. Localitiefi.—Coast of Yut-atan; Santa Marta, United States of Colom- bia; Boqueron Bay and Culohra, Porto Rico; Brandon's, Barbados Beach; San Francisco Bay, Lower California. A large number of dried specimens from San Fi-ancisco Bay, Lower. Fig. 66.—Cirolana mayana (Aktek Mookki. a, Gknekai. figure, h, Head, c, First antenna. d, Skcond antenna. California, sent to me ])y Doctor Kitter, of the University of Cali- fornia, agree so perfectly with the specimens in the U. S. National Museum from localities above cited that I have not been able to sepa- rate them. per paria latiora, plus produeta, altius carinata, angulo posteriore subacuto; epimera septimi paris segmenta quattnor anteriora cauda^ longitudine explentia. Pedes trinin parium anterioruin sat robusti, articulo secundo elongato, (juarto brevissiino angulo exteriore ultra ajMceni articuli quinti proniinente; pedes ,«ecundi et tertii parium articulo sexto inulto latiore quam in speciebus ceteris, longo, duplo longiore quam latiore. Pedes parium quattuor posterionun l)reves, sat rol)Usti; pedes sexti et septimi parium inter se sub;eque longi, pedibus quinti i)aris paulo longiores. Segmenta (luinque anteriora eaudie detecta, brevissima, alte convexa; segmentum quintum angulis lateralibus non a segmento quarto tectis. Pleopoda parium anteriorum satis longis instructa. 8egmentum ultimum caudfe aliquanto latins quam longius, subtrigonum, apice brevius, subrecte truncato, non spinoao, alte convexum, dorso alte tricarinato et inter carinas profunde et a'(|ualiter excavato; carin;e dua> laterales postice paulum divergentes, paulum arcuat;e. Uropoda brevia, lata, caudam non superanti


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