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20 PROCEEDINGS OF THE MALACOLOGICAL SOCIKTY 



ON BERGH'S MAL AGOLOC ISCHE UNTERSUCHUNGEN 



By R. WlXCKWORTH 

 {ücad 12 A]>ril 19-J6) 



Se.mper's Reisex 

 Dr. R. Bergh (1821-1909), whose fiill iinine was Ludvig Sopluis Rudolph 

 Bergh, publisbed a Inrge part of Ins work on nudibranclis and other 

 mollusca in Scmpcr's Reisen. Thi.s work is by no means confmed to the 

 material collectnd by Seinper in the Philippincs, but includes a survey of 

 all available ninteri.il and literaturc of niost groups of nudibranchs, the 

 plcurobranchs and Lamellariidae (Marseniadeu) of the world, and variou.s 

 other groiips. 



The volunie.<5 of Reisot im Archipel der Philipjnncn von Dr. C. Semper 

 all bear the subhcading ' Zweiter Theil. Wi.s,sensehaftliche Resultate '. 

 No ' Erster Theil ' was ever published ; Senipcr's account of his travels 

 in the Philippincs (18-58-186.5) was not conipleted, but in pait published 

 in four paper.s in Z. wixs. Zool} Owing to the misplaoed ingenuity of 

 Bergh and his publishcr the work is subdivided in a manner which leads to 

 much confusion in citation : for exaniplc the title pnges of the part dealing 

 with Bulla, etc., bear the referenccs ^ Theil 2, Band 7, Abtheilung 4, 

 Abschnitt 3, Lieferung 1 ; Abthciluiig 4 is also rcferrcd to as Theil 5 and 

 Lieferung 1 as Heft 5. 



Allogrthcr cight .sulidivisional nsmes are u.sccl : 



Theil 2 (portion) of the wliole work, iinncccssary, sinco the first jiortion v.a.s not 

 published ; 



Biind 2, 7, 9 (voliimc) ' of the ^vllole Mork as published ; 



Band 1, 2, 3 (su>ivolume) of l!crgh's work in volume 2 ; 



Theil 1-6 (division) of iicrgh'.« work in the tlirec vohiuic? 2, 7 and 9 ; 



Abtheilung (scction) ; Heft (part) ; Ab.'iclinitt (siilisection) ; Lieferung (number). 



The following table gi\c.s tlie subdivisions of Bergh'.s work. 



Bam. 2. 



Band 1 = Theil 1 = .i^btheilung ]. Heft 1-9. 



Band 2 = Theil 2 = Abthcihuig 2. Heft 10-14. 



Band 3 (i) = Theil 3 = Abtheilung 3 (i). Heft 15-18. 



Band 3 (ii) = Theil 4 = Abtheilung 3 (ii). Suppl. Heft. 1-4. 



The Supplement of four parts is separately paged from the prereding 18 parts. 



Heften 1-14 are also referred to as Lieferungen 1-14 in an advertisenient, issucd by 

 Krcidel's Verlag. 



Bakd 7. 



Theil 5 = Abtheilung 4. Absehnitt I. Lieferung 1-3 = Heft 1-3. 

 „ „ Absehnitt 2. Lieferung 1 = Heft 4. 



Abschnitt 3. Lieferung 1-2 = Heft .')-6. 

 „ „ Abschnitt 4. Lieferung 1 = Heft 7. 



h 



Band 9. 



TheU 6 ( = Band 6, in Band 7, p. 37 L 



379). Liefermig 1-3 = Heft 1-3. 



* For an obituar}-, portrait and hiblingraphy of Semper, sce A. Sehuberg, 189.5, 

 Arb. Zool. Zoot. Ins't. Wiirzburg, 10, p.irt 2. 



• For convenience I abbrevir;tc Siebenter Band, etc. to Band 7, etc. 



' Other voluracs dcal witli other groups, e.g. Band 1, Holothurians, Band 3. Land 

 Mollusca, Band 4, Sipunculids, etc. 



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