|>i'niiiiiiciil. aciilc. ilii'cc-k'd (•l)li(|nel_\ u|i\v;i r.ls, .snniclime.s a 

 sitijilk'r s))ine (jccui's ;if tlic h.isc liclnw llii.s. Ii;i\ iii'.'' lis jioiiit 

 (live{;te(l straii2,'lil(l<i\vii\vat(l!:;: llic mu' mi ilio lower aii^lt' (if 

 tin' i;ill-L'()Vi'i- is vcrv (•(Hispiciiniis, acute. ;iii(l tiireeletl as 

 usual downwards and loi'\vaiHls: lii'sl dorsal tin uiiiJ'oi-iii]y 

 Hi'cht'd, as is also the second dorsal; ilic origiji ol the anal fin 

 is under the iiosition of the fourtli ray of the second d.nrsal; 

 the caudal tbrnis two-eleveuths (tf the entire leni;th: the ven- 

 tral is inserted in ad\anee of the position of the lirst dorsal 

 fm. Color yellowish, (doinliMl with hhvckish. the iirsl doi-sal 

 tin rnariiiued. narrowly with oranu'e. J.en^Mi il — i!-^ inches. 



l-'in-rays:— J). S. 17; I', li^; \'. I. :5. A. Ti; <'. l^. 



('. ri'SrosHS, llaldem. Sup])l. Mouo^r. Linm. ^\.- ('.. lS4li,]'. 

 :>; (Jirard. Troc. Auier. Assoc. Adv. Sc. 11. IS.")!), p. l-il, 

 I'roc. i>ost. S(H'. Xat. Hist.. 11 f, Is.'^ii, [i. IS'.l. and 

 Smith's Contrih. III. 1S,V2, ].. :A , ].|. 2. fi<^r. ], 2, j.l. o, li-;-. 

 1- '.». 



Not the ^Miller's Thundj of Annap;dis, West liiveran<i the 

 I'atuxent, wdiieh heloiins to the group of ^foad i'^ishcs, it 

 oeeurs in IJoch' Ci'eek', near (iectrii'etrtwn. 1). ("., and in sonic 

 of the small streams ncai' r)altimoi-e. 



XXI.— HKMITlilPTEKID.K. 



HEMITRTPTERT^8, f'nv. .V Val, 

 II , A( \nTAN'i;s. 



The Anici'ic.^ii Sea JInven, 



Body ohhuri;', cylindrical, tapcrin-- rapidly to the tail: head 

 larj^'e, with irre,i;-ular cavities, lcut)l)s and ele\atimis: a'oove 

 the snout is an elevated ci'cst mi each side, with s])in()us ])ro- 

 jecti(~)ns; fi'om sevei-al of these prondnences arise fiu^er-lihe 

 slips, also ten or twelve siuiilar om.'s are ])endant from the 

 lower jaw: suvl'aee of hody covered with a granulated skin. 

 ti[)Ou wdiich are rows of small conical tuhereles. Surface of 

 heail. hody ami Hiis hrijj,-ht lemon-yellow or hlood-red. 



iMu-i'ays: J). li;. M: I'. Is: W |. ;;: A. II; ('. 12;;, 

 14 



