272 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



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J" 



Actinojiltjrhus haiionyj' (huu. in Ft^iizl, Koise NovaruVnit, 1: 25, 1S70- 

 Aclinnpfyrhits ijlahratuR (Irini.; Van Ileiir. Synop. p?. UO.J. G. 1881. Pritch. Hist. 



Iiifiis. v(\.\, 1-10. 1801. Ih'ToTii, SylLAlg. 2: 1:^87.1894. Srhmidt. Allay ;;/. 153, 



/ 7. 1,\ pi. ir>4.f. 2-4- i8no. 



^ 



Found al: slatiuuri 2851, off thr coast of Alaska; 2885, off tho coast of Orogoii, and 

 2920IT, brtvvHH'ii California and Hawaii. 



Actinoptychus undulatus (Hail.) Rail's in rritcli. Ilist. Tnfns. <*d. 1. KW). pL 5. f. 88. 

 18(11. Sclnnidt, Jalucsb. Konun. Doiit. Mrcrc pi, 8. f. 29-30, iS74. Sdunidt 

 Atlas p?. /,/. 1-G, 1S75. Van Hour. Synop. pi, 22bis. f. l-U P^- 122. J. 1--1 1881, 

 Panl. licitr. Baoill. Ung. 2: Mm. 1889. D<^ Toni, Pyll. Alg. 2: i:i72. 1894. 

 Artirtonjclft.^ undulatus Hail. Anier. Journ. Sci. 42: pi. 2.f. 11. 1842. Kiitz. Racill. 

 l;i2. pi 1,f, 24, 1844. 



Oiitphalopdla ureolata Ehr(^nl). 13er. Akad. ^\'iss. BitI. 1844: 270, 1845; Mikrog. 



pi 35A. XVIII. f. ^, pi 33. XIIL J. H. 1854. Fritch Ili.st. Infns. ed. 4, 841. 



pi, 8.f. IS, 18GL Griff. & Ilonf. Micr. Diet. od. :V pi 43-1 r>3. 1875. 

 ULinoptychtis omphalopiha Gnin. in Fenzl, Wv'x^v. Novara Bo1. 1; 25. 1870. 

 Actinoptychus hiiernarius Ehronli. Ber. Akad. Wit^s. Borl. 1843: IGC. 1844; Mikrog. 



j)l 33A. XVI. f. U pi 18. f. 20. 1854. 



There is some doul>l about the identidoatiou of many fca-nis in l-'.hrenberg's works, 

 especially in liis Mikrogeolot^ie, bearing a close reseud)lan<'e to this si)ecioR. It seoma 

 to me unwise to load the Byn{)nymy with names assigned by him U) forms the exa<'t 

 character of which it is now impossible to discovt'r. Those given above are probably 

 specinnMis of this species. It is a (juestion wh(4.her A. sennntfs Ehronb/^ and A. 

 sedenarius FihreTd).?> belong hen* or under A. splrndens (SluuH).) Ralfs. If their char- 

 acter could Ix! (dearly determined their assignm(*nt t<^ eitln^r of these species would 

 cal! for a change* of the specific name. I look upon the question as far too obscure to 

 warrant RU(di a change. 



Many wide varieties of this sjjecit^s were found in these investigations. Those from 

 station 282:5 hav(^ the marginal ])rocesses on alternating segnn-nts, and so jjrotrnded 

 beyond the usual marginal curve ius to give the valve an angular fonn. A variety 

 from station 2S07 a]>proaclu^s <'l(tse to A, trifurvaltis Temp. & Br,c 



Found at niations 2S07, 282;}, 2835, 2848, 2851, 2859, 28()0, 2882, 3346, 3603, 3(>04, 

 3G71, 3G911I, 3G94n, 3712H, 4013H, 4014H, 4029H, 4585H, Galapagos Islands to 

 Bering Sea, and off Honshu Island^ Japan. 



At station 3(H)4 in the Bering Sea occurs tln^ variety called '' vionierey^' by 

 Schmidt. t^ 



ASTEROLAMPRA Ehrenb. 



Asierolampra Ehrenb. Ber. Akad. Wiss. Berl. 1844: 73, 70. 1845. Grev. Trans. 

 Micr. Soc. Lond, n. s. 8: 108. ISGO. Ratt. Broc. Roy. Soc. Edinl). 16: 641. 1889. 

 De Toni, Syll. Alg. 2: 1397. 1894. 



Asteromphalus Ehrenb. in ])art; Wall. Trans. Micr. Soc. Lond. n. s. 8: 47. pi 2,f. 



13. 18G0. Grev. Trans. Mi( r. Soc. Lond. 8: 121. pi 4/f. VJ. 1860. 

 Craspedodiscus Ehrenb. in part; liright. Quart. Tourn. Wwr, Sci. 8: 95. pi 5. f. 7, 



1860. Ralfs in Pritch. Hist. Infus. ed. 4. 832. 1861. 



^Ehrenb. Infus. pi 21,/. 6. 1838; Phys. Abh. Akad.Wiss. Berlin 1839: pi 4 

 f. la e, 184L 



'^Phys. Al)h. Akad. Wiss. Berlin 1839: pi 4.f. 2. 1841; Mikrog. pi 33. A^ V. /. 4 

 4, 1854. 



^Mem. Soe. Phys. et Hist. Nat. Geneva 30": jd. 7.f. 2. 1889, 

 ^ Allans pi ;./ 6\ 1875, 



