VERMETUS. 181 



V. DECUSSATUS, Guieliii. PI. 53, figs. 71, 72. 



Rather solid, variously twisted, solitary, laterally attached ; 

 whorls rounded, sometimes contiguous at the commencement, 

 with longitudinal lirse and intermediate striae, decussated by 

 incremental stride ; yellowish white, variegated and clouded by 



light brown. 



Wed Indies. 



Mcirch describes vars. tenuis, intermedia, l^vigata, with 

 smooth whorls, represented in part by V. porites, Rouss. (fig. 

 72), all from West Indies ; and vars. Philippinensis and badia, 

 from the Philippine Islands. 



Y. SQUAMiGERUs, Carp. PL 54, figs. 73, 74. 



Yellowish white, usually conglomerated, loosely twisted, 

 becoming erect, closely longitudinally costate, with intermediate 

 raised lines, seal}' decussated, the erect anterior portion marked 

 b}' rugose incremental striae onl3^ 



Southern California, Lower Califoryiia. 



Var. PENNATA, MiJrch (fig. 74). 



Solitary, laterally attached, longitudinal lirae rather distant, 

 compressed, nodosely serrated, alternately smaller, the inter- 

 stices striate ; whitish, or j'ellowish, with angulated (pennate) 

 incremental striae, which are occasionally chestnut-colored. 



California. 



This is V. margaritarum, of Val. (Vo3\ Venus), in part. 



V. MicHAUDir, Rouss. PL 54, fig. 75. 



Yellowish white, laterally attached, longitudinally closely 



striate, with distant annular ribs. 



JSab. unknown. 

 V. PORITES Pvousseau. PL 54, fig. 76. 



Thin, laterally attached, very lightly longitudinally striated ; 

 incremental striae very close, obsolete, with regular, remote 

 incremental sulci, the interstices slightly convex; yellowish 

 white, darker within. 



Hah. unknown, on a coral. 

 V. LONGiFiLis, Morch. PL 54, fig. 77. 



Reclining, laterally attached, loosely twisted, variegated with 

 yellow and light brown, longitudinally lirulate, with three or 



