449 ] 



CORRECTIONS AND ADDITIONS. 



Part I. (Life History, &c), p. 142, 11. 30, 31, 33, for "acres" read "sq. yards." 

 II. (Hydroida), p. 119, 11. 17, 3C-, for " Desmocyphus" read " Desmoscyphus." 

 II. (Crinoidea), p. 157, 1. 20, for " Antedon anceps, Carpenter," read 

 "Antedon bengalensis, Hartlaub." 

 II. (Cumacea), p. 175, 1. 22, for "exopod" read "endopod." 



II. (Cephalopoda), p. 186, et seq.,for "Polypus aculeatus" read "Polypus 

 liorridus." 

 ., III. (Sponges), Professor Dendy adds the following records : 



(1) Sycon raphanus, var. chevalensis, n., characterised by spear- 



shaped ends to some of the dermal oxea. The species is 

 recorded from Ceylon by Haeckel. 



(2) Iotrockota baculifera, Ridley. Palk Bay. 



(3) Spongelia fragilis, variety. Reef, Galle; several large colonies. 



(4) Spirastrella tentorioides, Dendy. A second specimen, con- 



firming the characters given on p. 126. 



., III. (Alcyon aria), p. 317, 1. 4, for " Plate III." read " Plate IV." 



.. III. (Alcyonaria), p. 325, 1. 2, for "cylindrical" read "quadrangular." 



III. (Alcyonaria), p. 325, 1. 14, for "the axis is round not square" read 

 "the axis is quadrangular not cylindrical." 



IV (Macrura), pp. 65, 67, 76, 92, for " Caradina" read " Caridina." 

 IV. (Macrura), pp. 66, 67, 79, 92, for " Nauticaris grandirostris, n. sp." 

 read " Saron gibberosus (M. Edw.)." 



,, IV. (Polyzoa), p. 108, 1. 25, for "his private collections," &c, read "the 

 collectkm in the Univ. of Cambridge Zool. Museum." 



.. IV. (Poly^zoa), p. 110, 1. 8, for " Membranipora favus, Hincks," read 



" Membranipora normaniana, d'Orb." 

 IV. (Polyzoa), p. 110, 1. 14, for "Membranipora hastilis, Kirkpatrick," 



read " Membranipora coronata, Hincks." 

 IV. (Polyzoa), p. 110, 1. 16, for " Amphiblestrum cervicorne, Busk," read 



" Amphiblestrum radicifera, var. intermedia, Kirkp." 



3 M 



