This puzzle is one of those hand-me-downs from photocopies among classical scholars. It's still a little hard to fill in x-word puzzles on screen, so what I recommend is that you click on the link here, then print the resulting image and use the clues here. The answers are also available.
Not all may be able to use this, but A.M. Kriman took what I put up on the web and turned it into a sweet little java applet and so now has a version of this puzzle that you can indeed fill out on-screen.

ACROSS

1. haerebis pressis . . . mea pectora membris (praepositio).
4. uiderat inmensam . . . in carcere lucem (obscuro).
9. ... --que tyranni / terribilem iusto transegit Achillea ferro (seruum).
10. causamque . . . / credere dis dubitas? (patrum).
11. 'ite sine . . . / ordine' ait (quoquam).
12. . . . -que petunt ueram credi Salamina carinae (numerus quidam impar).
13. . . . uenit Titan, et nox ubi sidera condit (e qua parte).
15. . . .-que caput conpressaque dentibus ora / laxauit (mutilauit).
17. nuda iam . . . fluentis / inuadunt clipeos (compage).
19. castraque Caesareo circumdatus aggere . . . (mouet).
21. Pindus agit fremitus Pangaeaque saxa . . . (uocem reddunt).
23. datur . . . loquendi / cum Ioue libertas (en).
24. ante iaces quam . . . duces Pharsalia confert (tristis).
26. dirum Thebanis fratribus . . . (prodigium).
29. hoc bellum sceptri fructum putat esse . . . (conseruati).
30. seque arma . . . / ac nondum strato Magnum uicisse negauit (gestante).
31. non si tumido me gurgite Ganges / . . ., stabit iam flumine Caesar in ullo (repellat).
32. (mater Pentheos.)

DOWN

1. quolibet . . . potius deflecte carinam (infelicem).
2. feruent iam castra . . . (strepitu).
3. exeat . . . / qui uolt esse pius (regia).
4. colle . . . modico lenique excreuit in altum / pingue solum tumulo (surgit).
5. urunt / habrotonum et longe . . . cornua cerui (qui nascitur)
6. nefas spectare cruentum, / o ... libertas, cum Caesar lugeat, audent (optima).
7. ut scelus hoc Sullae caedesque . . . placeret, / agnoscendus erat (monstrata).
8. Boreas cum Thracius . . . / rupibus incubuit (montis cuiusdam).
14. ... non esse ducis strictos sed militis enses (nouit).
16. occursu stupuere ducis . . . rerum / attoniti (uice).
17. fatis accede deisque, / et . . . felices, miseros fuge (obserua).
18. tellus . . . litora nolet (pandere).
20. ecce subit uirus . . . (latens).
22. (pars Asiae).
23. (uentus quidam.)
25. medium conpressis ilibus . . . (contrahit).
27. inserto laqueis feralibus ... / per scopulos miserum trahitur per saxa cadauer (ferro recuruo).
28. excussit galeam, suffecitque omnibus . . . (aqua).