ERRATA. 



Page 12, line 15, and elsewhere. For " plasma " read "plasm." (The terminal " a " has 

 been added, both here and at intervals throughout the text, in error.) 



, , 17 , line 7 . For ' ' plasma " read " plasms . ' ' 



,, 29, line 14 from end. For " of" read " or." 



,, 29, line 11 from end. For " refuse " read " fuse." 



,, 64, line 8 from end. For "violent" read "violet." 



,, 68, line 8 from end. For " through the " read "through which the." 



,, 104, line 4. For " cold saturated " read " cold-saturated." 



,, 125, line 19, should read: "The Cysticerci (Cysticercus fasciolaris) of Tccnia crassi- 

 collis are very distinct." 



,, 137, line 24. For " armature and position " read " armature, position." 



,. 142, line 4 from end. For " saline, which " read " saline, and." 



,, 145, line 3 of footnote. For "oval" read "ova." 



,, 152, line 17. For "develops " read " develop." 



,, 157, lines 19 to 13 from end, should read : "present a bilateral arrangement. The 

 shape of the embryonal sac is also very similar, being drawn out, in both species, 

 into two long unbranched horns. The species are distinguished from one 

 another by their length, which, in M. denticulata, is 40 cm. and in M. expansa 

 is 4 to 5 metres ; by the consequent difference in the time necessary for the 

 development of the proglottides ; and by the occurrence, in M. expansa, of inter-" 



,, 164, line 24. For " Filaria " read " Filariae." 



,, 180, line 18. For " Gamasidce " read " Gamasidse." 



,, 181, line 7. For " Cytoleichidce " read " Cytoleichidse." 



,, 192, lines 14 and 15. For " Cuticolce, the Gastricolce, and the Cdvicolcc. The" read 

 " cuticolse, the gastricolae, and the cavicolse. The." 



