936 CONTRIBUTIONS TO NORTQ AMERICAN ICHTHYOLOGY - IV. 



The character of u lower pharyngeals united" has little importance 

 in this group. In Gerres plunrieri, as in nearly all the species examined 

 by us. the bones are not at all co-ossified, although very close together. 



Page .~s<i. k> Dltrcma violaceum" Button, from New Zealand, is a Scorn 

 ln did lish, and not an Emljiotocoid. 



Page "!>(). The genus Holconotus Agassiz should be recognized for 

 those species of Amphistichus which have the lower lip without freniiin, 

 and JJniclii/ifitius Gill for those of Micrometrus, which have the frenmn. 

 No. 930 should stand as 

 93O. II. aa-gciitcus (Gibbons) J. & G. 



Page GOO. Instead of Tautoya read: 



316. HIATUL.A Lac^pede. 



r. Hist. Nat. 1'oiss. ii, ,">^:3, 1800: type Ldbrus Matula ~L,=Hiatula yardeni 

 Lac.) (Latin, hiatus, a gap.) 



Instead of Tautoya onitis read: 

 942. II. ocaitis (L.) J. & G. 



Page (100. Add to the synonymy of H. onitis 



(L<il>riiK liialula L. S.vsi. \:il.: Lnhrii* hlnhihi (Jinclin, Syst. Nat. 1287, 1?.-.-: /Ii,ilnlti 



Larepede, Hist. Nat. J'oiss. ii. ,.">_>:!, 1HMI; tlir ^cntis and species. )>asc(l on ,-i 

 n| r<nilofj which had in sonic \va\ lost tin- anal tin; this specimen seem-. 

 bo have lieen sent from Charleston l>y Dr. Garden to Linna-iis. If Mimi/ilt-ntx and 

 other generic names, based on abnormal or mutilated specimens, be adopted, we must 

 substitute Ilintulti for TuHtoya.) 



I'a-e <i()l > . Instead of acr, etc., read: 



31S (H-TROCHOCOPUS Giintber. 



< iiiniher. Cat. Fish. JSrit. Mas. iv. Km, IM'.V!: tyjie Trochocopus opercularis Gtbr,') 

 This group is distinguished from ilnr/it by the smaller scales (Lat. 1. 



l."i to ('), \vhich .M-areely enen.aeh on the liases of the soft dorsal and 

 ;in;il. In the present elassilie;it ion of ilie Lnhridtf, this group may be 

 reeogni/ed as a distinct genus, although dill'ering from llnrjn' in no re 

 spect of importanei'. Sjiecies fe\v. (r/^^r/:, a running; /.w-/ n oar.) 



^l-"*. '!'. l)C33-la-|- ( A\ res) Carman. 



I'a-e ('>(;;. T'or Platyglossus grandisquamis and /'. lunncrdlin read: 



1>l7<<>3tt>. E. EBvill:aliis l;loelr> cilu. 



This species seems to In- \\idely distributed, and varies considerably 

 with age an 1 se\. Tin-, following is a description of the young (^Jlorc- 

 //.s"j. sup posed by us at first to belong to a different species: 



< Hi\ e brown; a grecnisli stripe along side of back; a dark-brown 

 lateral band from gill-opening to middle of caudal, on level of eye; a 



