112 REPTOMTJLTISP A RS A . 



SYNOPSIS. 



A. Zocecia visible throughout. 



Low peristomes. 1. Zooacia short ... ... allaudi (Sauv.). 



2. Zocecia long, 



f . f zoarium irregular ... compressa (Goldf.). 

 nn, 4 \ zoarium discoid ... normani (D'Orb.). 

 [ regular sauvagei, Greg. 



r peristomes flush ; zocecia cylin- 



J drical portlandica, Greg. 



6 ' j peristomes raised ; zooecia fusi- 



l form striata, Haime. 



High peristomes. 



Zoarium irregular. Peristomes sharply reflexed spatiosa, Waif. 



("plain; denticulate peristomes denticulata,Terq.and.I > . 

 ld \slightly striated; plain tennis (D'Orb.). 



B. Central zocecia visible throughout. Peripheral 



ones only at ends. 



Zoarium irregular ; ( apertures of normal size diluviana, Lamx. 



peristomes low \ apertures small ... parvitubulata, Greg. 



Peristomes raised ... ... boloniensis (Sauv.). 



Zoarium discoid ... ... ... archiaci, Haime. 



C. Zocecia visible only at ends. 



Zocecia irregularly arranged. Zoarium irregular exilis, Reuss. 



Zoarium discoid ... ... ... ... verrueosa (M. Edw.). 



Zocecia regularly arranged ; 



{zocecia short, peristomes 

 very crowded .. ... concatenata, Eeuss. 

 zocecia long, peristomes not 

 crowded scobinula (Mich.). 



quincuncial ; zoarium irregular ; zooecia very 



crowded .., ... ... ... ... coartata, Greg. 



REPTOMULTISPARSA, D'Orbigny, 1852. 



SYNONYMY : 

 Berenicea, pars, auct. 

 Rosacilla, , , 

 Diastopora ,, ,, 



Diagnosis. Tiibuliporidae in which the zoarium is encrusting, 

 and consists of thick, multilamellar sheets. The zocecia are 

 cylindrical, and parallel to the surface upon which the zoarium has 

 grown. The peristome is flush or slightly raised. 



