4 



dicini tioriinlis sit iiota, ail qnam, de siiigiiloriiin geiieriiiii (liscriiiiiiiibus disserentes re- 

 ciirrere seniper possiiinis. Ad i]imiii qiiideiii formain siiie nlla aiiiini li<iesilatioiie Ranae 

 esciiieiitae elegisseiiiiis foniiam (1), nisi iarn aiite Iios qiiinqiio aniios celeberriinus Volk- 

 niaiiii exiiiiiiin de ipsiiis iiervis cerebralibiis protiilerit disserlatioiiein ("2), taiu egregiam 

 illaiii, ut novaiu eoniiii eiliTs ilescrijitioiieiii iiil esset, nisi ea repetere, qiise praestan- 

 tissiimis vir exposuit. Oiiiiiii nihilomiiiiis, iit talem uberiori'iii descriptioiieni proferamns 

 res ipsa iios co^at, aliud geiiiis aJ Iiiiiic elpgimiis fiiiein, Biifonis niiiiiiiiin (B. paliua- 

 riiin). ciiiiis iiervis cerebralibiis pliiribiis descriplis, brevins ea expoiiere possiiuus, qui- 

 biis geiiera Hyla, Raiia, Boiiibiiiator, Pelobates, Pipa ab illo differant. 



§. 1. 

 ■ '■ Origiiies igitnr si prinnim nervoriim cerebraliiiin Biifoiiis spectanius oniiies eas- 



di?iu fere iii Biifone palinariiin iiiveiii radices, quas doctissiuiiis Vogt in Bufoiie panthe- 

 riiio descripslt (3). Octo eiiiiii seiiiiictim e craiiio exeniites reperiuiitur nervi: Olfacto- 

 riiis, Opliciis, Oculomotoriiis, Patlieticus, Trigemiiiiis, Abducens, Aciislicus et Vagus, 

 nervo Faciali ciim Trigeniiiio, iiervo Glossnpbaryiigeo ciiiu Vago coiiiuiictis. Hypoglos- 

 siis, qiiaiiiqiiani ab ipso cerebro oriens, pnst primam deuiiim vertebram ad conspeclnin 

 veiiit, librasqiie (pioque Accessorii Willisii, iit iiifra demoiislrabitiir, coiitinet. 



O culonio torius (4), ut nuiic iain siiigula specleiniis, iii fiiiibus cruruni ce- 

 rebri iitrinsqiie laleris oriens, faeillime ceriiitur tiibere ciiiereo, qiio origo ipsius est te- 

 cla, paiilluliim siiblato. Kxtrorsum se converleiis per foraineii in alis aiilerioribiis ossis 

 splienoidei positiim tx cranio exredil. 



(1) Genus l'ipa nrnus iiluneiiiii viilelur. qu;im quoil liunc ail finem eligalur, quippe 

 quoil nervoruni quorundHin foriiiis a vero Kcanilalonim typo Hliqiiaiiliim rei'eildt. Kgreginin igi- 

 tur, qiiiin iliusrrissimuH M ii II e r liorum animaliiim praeslilit ilistriliutioneiii (Tiedema n n u. 

 TrcviraDiis Zeitsclir. f. Piiysii)li)i,'. Bil 4) liiel eliam in nervorum formis describendis nie 

 seijui nceesse sit, ordine tainen, in qiin cclelierrimus vir tres eoriiin subfainilias culiocavit, uli, 

 ob diniciiliorem, quae inile reilunJarct describcnili rationeni. in animiini iiulucere non polui. 



(2) J Muller's .\reliiv fiir Analomie, Pliysiolog. eet. 183S pg. 70. 



(3) K. Vogl. Beitriige zur NcurolDgie dcr Ucplilicn pg. .j"2 el 53. 



(4) Tab. I. Fig. I. 3. 



