,iit> lim>m|>lt>li'. ;iiitl, as will W shown in llic folKtw iiij; 

 hisloi-ii-al n-NJcw, :m.v ai rannxMnciit of ilic ilircc woniis 

 ran Ih> looked niMMi at pn-scnl onl\ as |iru\ isional. 

 'rtu' Ui.sioiioal ivview is .sjivon in lU'Uiil, as iliose thivo 

 ^of ono?^ sihhIos roprosont vory iniporliuit parasilos. 

 Molin (ISoS. p. KJ'.n llrst tli-scrilx'd as Taenia 1<>lia 

 uona sonu' (apewoiMUs whieli lu" found in tliiikcus in 

 I'adiia in l^ot'cniluM'. 1857. as follows: 



I'iU'iit tolr.iK^iunii. ininliumn. nootnbulls nuntAU^r nnsul<»ll^"''. 

 alwolo !i,l l>i>slni r.>sloni oxvavntum: lostollvun Inormo. brovls- 

 siitMim. ol>l\iso-oonloum. In nlvoohim i-otraotHo; ooUum V>iovo; 

 aillouU svipi-Pt«l bivvlsslml: rostrt'ml ovilHiuadratl, Imbrloiiti; 

 !«poftvn-no ROtittalos nmrjjlnnlos, seoinulne, U\ aploo papllloo 

 piMinhuilao. T,onKlt. 0,012-0,090; Int. n^^ 0,iM>!. 



Unbltao\il\ii«, Phnslanus OaHus; In Intostino tonvil. lVo>-n\brl, 

 ratavH (Molln). 



l.Iko most of Molins dosoiiptlons, this iUasn>x«ls slv»»s lis but 

 IttMo lnr»nnatlon ooni-ornlnff tho raraslto bo \\>\y\ Wtorc htni. 

 It sJtouUl Iv^ notU-iHl. howevor, tbat t»o (pi-»bably orrono\nisly1 

 <tosi-rllvs tho >i>stollunv as unarmivl. tbo nook as short (a. ohar- 

 aotor of llttlo or no vaUioV the posterior soRinonts snb«mv(1rat<- 

 amt hnbrloato, tho Ronltal pores as unilateral, the lonsth of the 

 worm as ISmm to »>«<"», V>reath as 2""". In other words, then- 

 Is neither a slns'le vUstlnottvo eharaeter nor a eoHeotlon of ehar- 

 acters .slven In this vlla^nosls, tn l\ls s<von<l paper <1S60, pi>, 

 Sri4-SS5: Taf, Vll, R-Sl MoVn i-oivats this illixsnosls, slves four 

 flRvnvs of the worm whioh are almost iis»^Un5s. exoept Us. 7, In 

 wUleh the .isvnital poivs aiv flsr\ire<1 In tho middle of the lateral 

 unarKln, and In whtoh somo lri-eK'ularly-shaiH>d masses aiv 

 drawn, whieh evidently ivpresent e,irjr oai>sules. He also ad»1s 

 three observations to tho effev-t that he eolloeted 42 specimens 

 fn>n> one ehlekon. of whIeh number only 2 were mature, the 

 others beInK very small. He desorll>es a mosale structuiv of 

 (he se.itnient eause^l l>y ess eai%snles. each of whieli contains 

 fi'onx 5 to 20 ova. Althou,sh the ivstoNum Is ui\arme<l. the form 

 differs In orsanlnation from the other unarmed forms. These 

 are all of the eharaetors ever Riven by ^tolin to the sihh-Ios. 

 and It must. lnd<H>d. be a^lmlttevl that they aiv not sulllelenf 

 to delermlne any worm with certainty, Molln's .lljisnosls. 

 without the type specimens, is theivforx^ useless. 



