442 BriJ-ETIN OF THK TTNITED STATES FISH COMMISSION. 



CES4TODKS. 



'.i. Lariiil i;:ilodi's (Sciilej /inlijiiioriihnx Diijardin ). Small. Kn-c in iiiti-stiiif. Aii<r. 2S, 1899. Fur 

 account i>l ^'inlilar forms, sec 4, i>i>. 7H9-79L'. 



TI!l-;M.\TllIll->i. 



4. IH.iiomtuii sp. [I'l. .\\.\ii, liv'. ;i-''4.] .Vuir. 7, 1.S99; 12. An-:. 2S, 1H99: I. Intivtiiio. 



HckIv very minutely siiiiio.sc, white, translucent ; acetaliuluni ami oral suckiT almut s:»nic size; 

 outline i>f iMxiy, lonjioval; neck, short, continuous willi hoily; ^rreatest lirejulth in re<:ion of testes, near 

 |)osterior enil; ecauilate; acetaliulnm sessile: rami of intestines simple, elo?ig-,ite; ic^ophiif^us as lon^ as 

 pharvnx; te.ste.s, two, in nieilian line liehinil uterus; seminal vesicle dorsal to ovary and piisterior 

 border of acctabuhiin; ovary between acetahiilum and testes, on right side; pharyn.x, sulp^rlohular; 

 genital aperture in front of acetahulum, on median line; vitelline glands lying at iMMerior end and 

 along sides of liody as far as acetahuhnii; ova, few. relatively large. Dimensions of specimen in 

 formalin, given in millinu-ters: IjMigth, 2.72; hreadlli. anterior 0.4;!, at acetaliuhnn (1..S9, middle 1.(17, 

 near posterior 0.:{I1; itianieter of oral sucker, 0.21); rliameler of acctahulum, 0.29; diameter of ovary. 

 0.21; diameter of testes, 0.S3 and 0.;19; ova, 0.11 and 0.07 in the two principal diameters. 



5. l>>xloiiniiii loniiiliim Kudnlplii. .\ng. 7, 1S99; 2. U-ngth, 8.5 nun. 



Hodv unarmeil.appeiicliculate; a<-etal)uluni larg(?r than mouth, latter snliterminal; caudal aii|iendi.\ 

 elongate; cirrus minutely papillate. Dimensions in millimeters, from sections: ( )ral sucker, length 0.22. 

 thickness 0.19; iliameter of pharynx, 0. i;!; iliameter of acetaljulum, 0.4:i; ova, 0.14 and 0.007 in the 

 two principal diameters. See 6, pp. .51.'?-r>14. pi. \i.ii, ligs. ti-12. 



t). THplnstoiiiuiii i'y. (ilohular cysts in liver. -\ug. ;jO, 1899; specimens from Katama. Diameter of 

 cyst-s in .sections, 0.:-t mm. [PI. wvii, fig. 807.] 



Cyprinodon variegatus, Shoii Mimioii: 



1 have no record of entozoa from this species. Wart-like tvunors, caused by niyxosporidia 

 (ytiljoliiilux linloui Gurley), are occasionally found. A few have been seen by nie in different seasons, 

 but no formal record of them has lieen kept. 7, p. 277. Linton, U. S. Fish Conuuission Bulletin 

 for 18,89, pp. 99-102, pi. x.x.w. Gurley, V. S. F. C. I'.ullctin for 1891. p. 414. tiurley, V. S. F. C. 



Report for 1892, p. 238, pi. xxvii. 



Fish and shrimps. 



Tylosurus marinus, (lur-lish. 



ACA.STHOCKCHM.A. 



1. /s/7ii))fir/(,i/;(Wm« fif/iVi.t Kudolplii. Aug. 11,1899; 4. lnte.>;liiic. For account of this species, s»»e 2, 



p. 490, and :l. p. o;i4. 



i'i:sToi>ivS. 



2. Lnridl nslodis (Scolrx jmbjIiKtrpliiit Ihi'j. t. Small. I'lec in inle.-'tine. .\ug. 1 I. 1.899; few. 7, p. 277. 



Tll^:MATOI)^>. 



3. 0„.sln-<i.tfi,miim sp. [PI. XXXIV, figs. 307-31)8.] 7, pp. 277, 298, pi. xi.i,lig.91. Aug. 7, 1899; 11. 



Thirty gai-s were examined, and this species found in considerable abunciance. It was notetl 

 that the Innly was armed with short, rod-like, decirluous spines. Dimensions of living specimen in 

 millinietei-s: Length, 1.43; diameter, anterior 0.28, mtnlian 0.05, po.sterior 0.25; ova, 0.017 and oiH2 

 in the two |jrincipal diameters. 



Tylosurus acus {Ti/toxurux carilihuiix), Iloiind-fish. 



I have exaniine<I but one specimen of this gar — taken in liuzzards Bay, .Inly 27, 18.H(i. Several 

 specimens of a goose barnacle (< 'oiirhodi'miu rcnjalu) were attached to the top of head behiml tiu^ eyes. 

 Where the barnacles were rooted, the skin was off and the skull of the fish exjwsed. 



