Works Quoted
- Orton , J. H. 1915 . Proc. Malacological Soc. , xi ( 4 ) : 190 – 190 .
- Murie , J. 1911 . The Zoologist , November
- Orton , J. H. 1914 . Journ. Marine Biol. Assoc. , x. ( 2 ) : 320 – 320 .
- Lo Bianco , S. 1909 . Mitth. Zool. Station zu Neapel , 19 ( 4 ) : 527 – 527 .
- Orton , J. H. 1912 . Journ. Marine Biol. Assoc. , ix ( 3 ) : 439 – 439 .
- Conklin , E. G. 1897 . Journ. Morphology , xiii : 19 – 19 .
- Orton , J. H. 1915 . Trans. Plymouth Inst. , xv ( 4 ) : 250 – 250 .