20 SVKN LOVEN, ON THE ECHINOIDEA DESCRIBED BY LINN.EUS. 



Helix uo exotic species *), but as »terrcstreSÄ : Fn. Svec. 

 1293, 1294. 1295 aud 1298 (Helix pomatia, H. nemoralis, H. 

 arbustorum, H. lapicida of tbe Fn. Svec. ed. 2), and as »la- 

 custres:: Fn. Svec. 1304, 1312 (H. coruea, H. vivipara ib.), 

 while, in order not to break the sequence, 



Fatella begins with three iudigenous species: Fn. Svec. 

 1291, 1292 (P. vulgata, P. lacustris Fn. Svec. ed. 2) and It. 

 Yestrog. 171 (Anomia Squamula ib.). Having in this way given 

 a comprehensive view of the Swedish Cocblete, Linn^eus goes 

 ou Avith the exotic Patellse, P. equestris aud seven more of 

 the M. L. U., and onc omitted there: > Pilens solaris, the sim- 

 hat, P. ovata striis subnodosis. White with reddish stripes 

 radiating from the centrum> , the P. solaris of the Hanley MS. 



Haliotis. Xame given in S. X. ed. pr. 1735; four spe- 

 cies, all in the M. L. U. 



Dentalium. Xearly as in the S. N. ed. 6. Ten species 

 representing Dentalium, Serpula and Teredo of the lOth edition, 

 among them the genera Yermetus, Siliquaria, Aspergillum. 



Nautilus. »Testa uuivalvis, subspiralis, polythalamia sen 

 multilocularis. Its Sepia is ahvays on Octopod . . . occupying 

 the last loculamentum». Eight species: Xautilus, Spirula, Or- 

 thoceras, Ammonites, Foraminifera. 



Cymbium, the future Argonauta. »Testa iinivalvis, spiralis, 

 unilocularis. Was hitherto rauged under Xautilus, but is mono- 

 thalamous. Only a single species which is i7ihabited by an 

 Octopod». vXautilus papyraceus Auctorumv. 



Lepas. Five species Cirripedia -). 



') In tlie pencil notes to Eumphius only two species are marked: 

 »Helix ainpuUacea» and «MorioQ 7» which is the H. scarabseus as in the 

 Hanley ms. 



'") Between Lepas and the Conchre still liugers the fabulous genus 

 237, Microcosmus: »tegmen ex heterogeneis compilatis». Already in the 

 Lecture of 173.3, and^later on In the S. N. ed. 2, 1740, ed. 6. 1748, 

 and F. S. ed. 1, 1746, LiNNiEUS gives the foUowing references: Thom^; 

 Bartholtxi Histor. anatora. rar. Centuria III et IV, Hafniaj 1657, p. 284, 

 on different sorts of whales, among thexn some of immeuse size; — an 

 artide by one Paulixus in the Ephemer. Acad. Nat. Curios. VIII. 1678, 

 p. 79, in which the Xorwegian Sea-monster borrows the shape of a gigantic 

 alg-disguised Hyas, with »trees of considerable height growing on its 

 back»; - and Rkdi, de aniraalculis vlvis quje in corporibus anim. viv. 

 reperiuntur, Acta Eruditorum, 1686, p. 48, transl. by Coste, Amsterdam 

 1708, p. 88. where a good figure of an Ascidia is accompanied by a de- 

 scription drawu up in the most extravagant terms. Lixx.«0s had never 

 seen an Ascidia. Taking in full earnest the accoimts from the North 

 Sea and the highly poetic phrases of Redi, he said in the Lecture of 

 1752: »there would be every re;ison to assume the non-existence of the 

 Microcosmus, did not so trustwortby inen combinc in asserting its realitv 



