TRACHELIPODA. 75 



Murex spiralis. — The Spiral Murex. Plate XI. fig. 27. 



Body roundish ; separated from the spire by a narrow ridge ; 

 spire depressed ; upper volutions rounded, and terminating in an 

 obtuse apex ; canal very long and curved ; flesh-coloured, sub- 

 striated,with remote brown irregular spots. Three inches long. 

 Inhabits the Chinese seas. 



Genus 28.— RANELLA.— Z«marc^. 



Generic Character. — Shell oval or oblong; sub- depressed 

 with distichous varices, and canahculated at the base ; aperture 

 rounded or ovate ; varices straight or oblique, situated at inter- 

 vals of half a volution, forming a continuous longitudinal row 

 on each side. 



Eanella spinosa. —Tu-E Prickly Ranella. Plate XII. 

 fig. 1. Ovate, depressed, with acute, short, distinct, muricated 

 tubercles ; fawn-coloured ; varices lateral, with elongated spines ; 

 beak sulcated ; outer lip internally crenated. Two inches and 

 an eighth long. Inhabits the Indian ocean. 



Genus29.— STRUTHIOLARIX.— Lamarck. 



Generic Character. — Shell ovate ; spire produced ; aperture 

 oval, with a sinus, terminated at the base by a very short, 

 straight canal without any notch ; pillar lip callous, spreading ; 

 margin of outer lip sinuous, with an exterior ridge. 



Struthiolaria noduhsa. — TaE Nodulous Struthiolaria, 

 Plate XII. fig. 2. Ovate, grooved and striated transversely; 

 top of volutions flattened and nodulous ; cream-yellow, with un. 

 dulated brownish-yellow longitudinal lines ; lip yellow-orange 

 within. Three inches long. Inhabits New Zealand. 



Sub-Division II. — V/itbout a constant ridge on the outer lip. 



Genus 30.— FYRUL A.— Lamarck. 



Generic Character. — Shell sub-pyriform ; base with a canal, 

 ventricose above, destitute of external ridges ; spire short, 

 sometimes obtuse ; columella smooth ; outer lip without a notch. 



Pyrulajicus. — The Fig Pyrula. Plate XI I. fig. 3. Spire 

 very short ; volutions rounded above j yellow-brown, spotted 



