NO. 1253. SOME ARACHNID A FROM rORTO RICO— BANKS. 219 
i 
CHIRACANTHIUM INCLUSUM Hentz. 
Clnbionit inchtud IIkntz, Journ. Bojst. Hoc. N. II., V, 1,S47, ]>. 451. 
Cluracanthinm )'(>/'/(' Emerton, Trans. Conn. AciuL, VIII, 1890, }>. 20. 
One pair from Aguadilla, January. Widely distril)uted throughout 
temperate and subtropical America. 
HYPSINOTUS HUMILIS Keyserling. 
Ilypsinotus hiunilis Keyserlixc;, Verh. zool.-1)Ot. Ges. Wien, 1884, p. 446. 
One specimen from Luquillo, March 4 (Richmond). Another from 
Hacienda Esparanza, June 6 (Waoener). Described from 8t. Kitts. 
Family ULOBORID.^. 
ULOBORUS GENICULATUS Olivier. 
Araneus geniculaius Olivier, Encyl. iNIeth., II, 1789, p. 214. 
Uloborus zosis Walckenaer, Apteres, II, 1842, p. 2:31. 
One specimen from Lares, January 25. A well-known cosmotropi- 
cal spider. 
Family PHOLCID.F. 
ARTEMA ATLANTA Walckenaer. 
Arteina atlanta Walckenaer, Aptere;?, I, 1837, p. 056. 
Pholcus convexus Blavkwell, Ann. Mas. Nat. Hist, (2), III, 1858, p. 332. 
Two specimens from Utado, January. Distributed throughout the 
tropical regions of America. 
Family THP:RIDI1D^. 
LATHRODECTES MACTANS Fabricius. 
Aranea muctans Fabricius, Entoni. Syst., II, 1775, p. 410. 
Titeridiumforniidabilis Walckenaer, Apteres, 1, 1837, p. 647. 
Lathrodecius dotatus Koch, Die Aracii., VIII, 1841, p. 115. 
TJieridium verecundum Hentz, Jour. Bost. See. N. H., VI, 1850, p. 280. 
Several specimens from Mayaguez, Januaiy. Common in the trop- 
ical and subtropical parts of America. 
THERIDIUM VOLATILE Keyserling. (?) 
Tlicridiuiii rohtflle Kevseklixu, Die Spinn. Anier., Therid., 1, 1884, p. 60. 
One immature specimen from Culebra Island, Fe])ruary, upparenth" 
belonging to this species. It was described from Venezuela, but also 
occurs in Florida. 
