Notes on the Collection 53 



radiatus, Gmel. 



ranunculus (achatinus, Chem., var.) Ceylon 



raphanus, Hwass. Ceylon 



rattus, Hwass. Indo-Pacific 



rattus, var. viridus, Sowb. Mauritius 



regal itatus, Sowb. Panama 



regius, Chem. Panama 



regularis, Sowb. Mazatlan 



regularis, Sowb. var. ineurvus, Kiener. Panama 



regularis, Sowb. var. angulatus, A. Ad. Costa Rica 



retifer, Menke. Sandwich Is. 



rhododendron, Jay. Australia. (Called the most beautiful 



species of the genus.) 

 rosaceus, Chem. Algoa Bay 

 roseus, Lam. West Indies 

 rubiginosus, Hwass. Mauritius 

 rubiginosus, Hwass var. Mauritius 

 rutilus, Lam. Australia 

 rutilus, Lam. var. smithi, Ang. S. Australia 



scabriusculus, Chem. Tahiti 

 scalaris, Val. Panama 

 scriptus, Sowb. Mauritius 

 senator, Linn. Indo-Pacific 

 seychellensis, Nevill. Seychelle Is. 

 siamensis, Hwass 

 sieboldii, Reeve. Awaji, Japan 

 sigillatus, Reeve. Mauritius 

 simplex, Sowb. Cape of Good Hope 

 spectrum, Linn. Mauritius, Moluccas 

 spectrum, Linn. var. Moluccas 



