296 



SHELLS AND SHKLL-FISH. 



inner lip smooth ; the spire much shorter than the 

 aperture ; an internal groove at the upper angle of 

 the aperture. 



Mureo! Lin. Canal very long ; shell armed with acute, 

 cylindrical, tooth-like spines, mostly arranged in three 

 varices. 



tenuispina. Sow. Gen. f. 2. cornutus. Mart. 114. f. 1057. 



crassispina. Mart. f. 1052-4. brandaris. lb. f. 1050. 1058. 



Haustellaria Sw. Canal excessively long ; shell with- 

 out spines ; the varices tuberculated. 

 erythrostoma Sw. Sow. Gen. f. 1. (Murex haustellum L.) 



Phyllonotus Sw. Canal moderate ; varices foliated, la- 

 ciniated, compressed, or resembling leaves {fig. 66. d). 



inflatus. Mart. 102. f. 980. endeva. lb. 107. f. 107,108. 

 eurystomus. Zool.IIl. ii. 100. (Aberrant.) 



imperialis. lb. pi. 109. adustus. lb. f. 990, 991. 



cervicornis. Sow. Gen. f.4. trunculus. lb. f. 1018, 1019. 



Scorpio. lb. f. 3. saxatilis. lb. f. 1011, 1012. 



calcitrapa. Mart. 102. f. 982. palmarosfe. Lister. 946. f. 41. 



brevifrons. lb. f. 983. capucinus. Chem. 192. 1849. 

 axicornis. Mart. 105. f. 989. 



Muricanthus Sw.* Varices numerous, foliated; spire 

 short; margin of the outer lip with a prominent 

 tooth near the base. 



radix Sw. Zool. 111. 2d series, melanomathus. En. Meth. 

 pi. 113. 418. f. 2. 



Pteronotus Sw. Varices three, compressed, fin-shaped ; 

 canal moderate, generally closed by the union of the - 

 two lips at their base. 



^ 'j pinnatus. Zool. 111. ii. pi. 112. tricarinatus. En. M. 418. f. 5. 



tripteroides. En. M. 41 7. f. 3. phyllopterus. Sow. Gen. f. 5. 



trigonularis. Mart. f. 1031. gibbosus. En. M. 418. f. 1. 



hemitripterus. En. M. 418. acanthopterus. lb. 417. f. 2. 



f. 4. uncinarius. Mart. f. 1034-5. 



MuRiciDEA Sw. Spire more produced, as long or 



* This type was originally called Centronotus; but as that name had been 

 ■previously given to a genus of fishes, we substitute the above. 



