562 Transactions of the Society. 



1913 M. decipiens Murray (SS). 



1913 M.Jalcctta sp. n. Murray. 



1913 M.furcata Murray {35). 



1892 M. galeata Bryce (5). 



1896 M. hamata Stokes (jf.7). 



1893 M. lamellata Dad. (7). 



1831 M. lunaris Ehr. (i-^). {Lepadella lunar is.) 



1887 ii. mo//^s Gosse {^0). 



1913 i¥. o^^i^sa Murray {35). 



1859 iW. oophthalma Schm. (4.^)- 



1913 i)f. punctata Murray {35). 



1897 M pygmma Dad. ((§). 

 1905 If. pyriformis Dad. (ii). 

 1831 ilf. quadridentata Ehr. (^4). 

 1896 M". ro&ws2^a Stokes {J/.7). 

 1892 ilf. truncata Turner (45>). 

 1913 if. i^ztr&o sp. n. Murray. 



1901 Diarthra monosti/la Dad. {10). If correctly drawn is 

 probably a Monostyla. 



Eejected Speciks. 



1898 M. appendiculata Skor. (44)- =M. lamellata Dad. 

 1897 M. hicornis Dad. (^). Prv)bably = M. quadridentata Ehr. 



1896 ilf. hipes Stokes (^7). = if. hulla Gosse. 



1910 ilf. diophthalma Iroso (^^). Is not a Monostyla. 



1897 ilf mas«^ Dad. {8). = M. bulla Gosse. 



1886 M. lordi Gosse {23). Gosse himself was doubtful about 



this. 

 1859 M. macrognatha Schm. {J/,'2). Insufficiently described. 

 1893 M. ovata Forbes {17). Unrecognizable without figures. 



1897 M. parva Dad. {8). - M. pi/gm^a Dad. {8) (Harring.) 

 1892 M. quennerstedti Berg. (;^). Is not a Monostyla. 



1908 M. stenroosi Meiss. {31). (?)= M. lunaris (Harring.) 



1892 M. tentaculata Cosm. {6). Is a Metopidia. 



1859 Lepadella cornuta Schm. {1^2). = M. quadridentata Ehr. 



1898 Notommata monostylasformis Sten. {1^5). = M. bifurca 



Bryce. 



Bibliography. 



It would be beyond the scope of this paper to give a full 

 bibliography of the Cathypnidse. This is simply a list of all the 

 works in which all supposed new species are described, with a few 

 other works of use to a beginner. Many names have been bestowed 

 upon species of Cathypnidse, without the authors having any inten- 

 tion of designating new species thereby. Tliis was especially done 



