THK -KK: i i, \uin.i:. 51 



will lie observed thai thr s|>rrirs i>. on tin- whole, more closely allied to S, i-tulin-iii as hen- 

 dctined than it is to the ]iart ieul.-ir ovnii- to \\hieh it approximates in the special character 

 discussed. 



KKV TO \MKI:II \N BPBCIE " 



('ninny branched, at least in typical specimens. 

 P.ranches regularly disposed. 

 Kranches opposite 

 P.ranchcs alternate. 



Hydrothec.e lately eon I indent in I'nuit 

 Bydrothecse seldom emit indent iii front 

 Branches loosely ur irregularly dispo-ed. 



Hydroiheeal teeth two, loni:, recurved, conspicuous. 

 Din- tonth much lunger than tin- nthcr 



Teeth approximately e<|iial. 



Gonangium with two lateral spines 

 (ionangium wit hunt spines 

 Ilydrothecal teetli nut conspicuous. 



Margin generally without ieeth degmoides, 



Margin with three iui<'i|iial teeth rnthlmni. 



Margin with two opposite teeth ijrnrilit. 



Colony normally mi branched (one or two nn symmetrical liranches may In- piv.-ent I. 

 Ilydrothecie plaeeil on front of stem, ami largely contingent. 



Hydrothecse on proximal portion differing greatly from those on distal portion ma/yen 



Ilydrotheivc alike on all parts of stem. 



( 'h it i lion.'.- processes projecting dow nward I nun ln>lt I hyilrotliec:e i-nrnii-iii'i. 



Nn noticeable uhitinous processes. 



Colony ami hyilrothcc.-e of average si/e for this ..'en us /murttilegi. 



Colony ami liyilrothec.-e very small, less than half the si/e of prccciliu>: species stiniki-iji. 



Hyilrothec;e not plac'cil on front of stem, whether contingent or not. 



I lyilrotheoc contingent of averane size, margin with three teeth //-. I'ifiinlluif. 



llyilrotheive con I indent, very small, margin with three teeth .Jlum rxi. 



I lyilrothei-e not contingent, marjiin t o-tootheil. 



I>istal part of hyilrothecie In-lit at riirht angles to proximal ]iart tniniiln. 



I li^tal part hent at much less than a ri.'lit anjili- to proximal part e.clijua. 



SERTULARIA PUMILA Linnaeus. 1 



I Plate 1. liu's. I .:. 



Ren-Oak Cnnt/Hiii- KI.I.IS. Kssay Nat. Hist. Corallines, 17"). r ), p. !l. 



.Si-c(;i/ii/-iii I'lnii'iln LIXN.KIS, Systema Nature, 17">s, p. SMT. 



flertularia pumila l.ixx-Krs, Fauna Suecica, 17*51, p. ""40. 



NI liiilnriii /ni/iiilit IIoi"i-rrYN, Natunrlyke historic, XVII, 17(11-177;!, p. ">-7. 



Xi-i-liilitriii /iiniiilti P.M.I.AS, Klenchns /.oophytorum. ITiiil. p 130. 



Si'i'lnliiriii /iiinii/ii I. INN ii >, Systcma Natura-, iL't h eil., 17ri7. p. i:!(lil. 



Sertularia pumila l'.onnAKi:r, in Pallas, l.yst iler I'lant-Hieren, 17liS, p. Hi!'. 



riii /iiiiiiilii I 1 ',!, I. is, An account of the Actinia sociata. etc., IVliS, p. -|:!4. 



rin /iii/m MARATTI, He Plantis /oophytls. etc., 177(1. p. -'<. 



'The writer desires here I., acknowledge his u'reat imlelitedness to a work written \,\ Prof. Maurice Deilot, 

 entitleil !\Ialeriaux pour servir a I'histoire .les I lyilroiiles. pulilislieil in Ue\ lie Snisse ile Xoolo^ie, Annales .le la 

 Societe /iioloi{ii|ne Suisse et iln M usce il'histoirc natnrclle ile I leneve. ( ieneve. 1!)1. 



This \\nrk is invaluable In the systematist in the hyilroiils, as it >_'i\esa very complete bibliography of the ^roup 

 up to the year ISL'I). llesirinir to make tin- hililin^rapliy ami synonymy of the Sertulariil.'e as complete a- possible, 

 the present writer has inclmleil a numlier of references that he has not personally viriticil, taken from the work of 

 P.eilot. In a k'reat majority of cases the references have been vcrilieil. ami it has thus been demonstrated that 

 Professor Picilot's work has been very carefully done and is entirely reliable. 



This has made it possible to include other references found in Bcdot's work that 1 have been unable to verify. 



I feel confident that the number of errors thus admitted will be found to be certain!) no greater than would ha\e 



I n found if I had personally yerilied every reference. 



( >n paire 14:: will be found a list of works that are cited in the followini: pa-.re~, but which I have been unable to 

 consult. It will be understood that all of the references to these works are on the authority of Itcdot, unless otherwise 

 stated. 



